recursal/Fanatic-Fandom huggingface dataset:
Large Zit

**Large Zit** is a passive item added in *The Binding of Isaac: Afterbirth †*.

## Effects

* While firing, Isaac has a chance to fire an additional creep shot that deals double damage, slows enemies, and leaves a short trail of white creep that also slows enemies.
	+ The chance is not affected by luck.
	+ The creep shots don't take on any tear effects.
	+ The creep shots are affected by range and shot speed.
		- The creep shots are not affected by range but affected by shot speed, which determines their effective range.
	+ Their tear sizes are not affected by their damage. They always retain their small size.
* A creep shot will also be fired in a random direction when taking damage.

## Synergies

* /  /  /  /  / : Creep shots will still be fired occasionally while holding the fire button.
* : Creep shots will occasionally be fired along with bombs.
* : High tear damage from Ipecac is doubled, causing very powerful creep shots.
* : Creep shots can be duplicated.
* : High tear damage from Polyphemus is doubled.
* : Creep shots will be connected to other tears via electricity.
* : Creep shots still shoot as normal while using the urn.

## Interactions

* /  / : Isaac will still fire one creep shot.
* / : Firing creep shots does not spawn the fires.
* /  / : Creep shots will not burst into split tears.
* : Creep shots do not grant or reset the damage multiplier, although their damage still benefit from the multiplier.
* : Creep shots are not affected.
* / : Creep shots are not counted for shots fired.
* : Creep shots are not controlled. Creep shots will only fire in cardinal or diagonal directions unless there is a cross-hair, in which case creep shots will fire directly toward it.
* / : The familiars does not fire creep shots.
* : Firing creep shots does not spawn the orbiting tear.
* : Creep shots are not affected from Lachryphagy, but Lachryphagy tears can feed on them.
* : Movable tear behaves as normal. Isaac will occasionally fire a creep shot while moving the tear, and creep shots will only fire in cardinal or diagonal directions.
* : Creep shots are not affected.
* /  / : Creep shots are not affected by the trajectory altering effect. Stat changes are applied as normal.
* : Creep shots are not affected. Pop! tears do not bounce off of creep shots.
* : Creep shots are not affected.

## Trivia

* Large Zit was originally an unofficial item which was supposed to showcase the modding capabilities of *Afterbirth+* in the PAX 2016 livestream. However, all items included in the demo were later added to the final game.
Mom's Locket

This article is about **Mom's Locket**, similar in appearance to Friendship Necklace.

### Item Tags

**Mom's Locket** is a trinket added in *The Binding of Isaac: Afterbirth*.

## Effects

* Grants a Half Red Heart each time a Key is used to unlock a door, Locked Chest, or key block.
* Turns Half Red Heart pickups into Red Hearts. Half hearts already on the ground will also be upgraded upon re-entering the room.

## Notes

* Having Mom's Locket while playing  Keeper or  Tainted Keeper will restore a full health coin when a key is used.
* Donating keys to a Key Master won't heal Isaac.
* A very useful trinket for unlocking the  It's the Key achievement, in which Isaac cannot pick up coins, bombs, and most importantly, hearts.
* Tainted Bethany is granted a blood charge upon using a key.

## Synergies

* : As long as Equality is active, *all* red hearts will be double.
* : Humbleing Bundle cannot alter half red hearts, but Mom's Locket turns them into full red hearts, which it can double.
* // Tainted Magdalene: Created temporary half hearts are now full red hearts.
* + Tainted Eve: Blood clots drop full hearts rather than half hearts, making it possible to infinitely make two for one.
* : Any half red hearts stored by The Jar will be converted to full hearts when dropped on the ground. Since The Jar will store any leftover health from healing Red Heart Containers, this can allow for potentially infinite health when healing half-empty containers. Especially effective in conjunction with  or .

## Interactions

* Golden Key//: Renders Mom's Locket less effective as the trinket requires a key to be consumed by the lock in order to heal Isaac.

## Gallery

* *Afterbirth* item and trinkets concepts, including Mom's Locket.
Lodestone

**Lodestone** is a passive item added in *The Binding of Isaac: Repentance*.

## Effects

* Gives Isaac the chance to fire tears that magnetize enemies they hit, giving them properties similar to tears fired by Isaac when he has :
	+ Enemies and pickups that are near magnetized enemies are pulled towards them. This includes live Bombs.
	+ All tears/enemy shots (from Isaac, his familiars, and all enemies, including the magnetized one) will be strongly pulled towards magnetized enemies.
		- Enemy shots that get pulled in will now also damage enemies other than the ones that fired them.

## Notes

* The chance to fire magnetizing tears depends on the luck stat. The activation rate is equal to 1/(6 - Luck). At 0 luck, the chance is 16.67%, maxing out at 100% at 5 luck.

## Synergies

* : The wisps' tears are attracted to the magnetic enemy, making it much easier to connect all of the wisps' tears on an enemy.
* : Changes the beam to gray, can still apply the magnetized effect. The beams are not attracted to enemies with the magnetized effect.
* : If an enemy is hit by a lodestone tear perfectly simultaneously with it being turned into poop, the resulting poop will be tinted black and have a lodestone aura that sucks in enemies. This poop will return to normal after a few seconds.
* : Magnetizing an enemy causes all active eyeball tears to rush to the enemy.
* : Enemies affected by Lodestone and Rotten Tomato will be quickly swarmed and killed by other enemies.
* : Changes the laser to gray, can still apply the magnetized effect. The lasers are not attracted to enemies with the magnetized effect.
* : Changes the color of rings to gray. They still apply the magnetized effect, but the effect being applied is random for each enemy damaged with the same ring. Has increased chance of magnetizing enemy.
	+ + : Only the explosions from Dr. Fetus' bombs can magnetize enemies.
* : Isaac's tear has a chance to magnetize and stick to enemies or bosses, making it impossible to move the tear until the enemy dies or until the magnetization effect somehow doesn't get reapplied long enough for the effect to end.

## Trivia

* Lodestone is from the *Antibirth* mod where it would require 10 Luck to have a 100% chance of activating.
* When used on Dogma or its TV, the respective sprites will get fuzzier, as if the boss/TV is having signal errors.
* A lodestone is a naturally magnetized piece of mineral magnetite.
Lil' Haunt

### Found In

This article is about the enemy. For the item, see Lil Haunt. For the boss, see The Haunt.
**Lil' Haunts** are ghost enemies that slightly mimic the movements of Isaac, which allows them to "chase" him if Isaac constantly tries running away from them. Occasionally, they stop to spew blood shots towards the location Isaac will be in if he doesn't stop moving; this did not have an animation up till Repentance, making it difficult to telegraph.

Three Lil' Haunts circle The Haunt in its first phase. The first one charges at Isaac, and after the first is killed, the second and third charge at Isaac. The Black Champion Haunt will be circled by two Lil' Haunts, and The Pink Champion Haunt will only be circled by one.
Mom's Bra

**Mom's Bra** is an activated item.

## Effects

* Petrifies all enemies in the current room for 4 seconds.
* This item belongs to the  set. Collecting three items from this set will transform Isaac into his mother.

## Notes

* Isaac keeps wearing the bra until he leaves the room, even after the petrifying effect has worn off.

## Synergies

* : Spawns red wisps in the middle ring. Wisps' tears have a 5% chance to petrify enemies.

## Gallery

* 3DS The icon of Mom's Bra as seen on the lower 3DS screen.

## Trivia

* Isaac wearing Mom's Bra on his head may be a reference to the Gatekeeper from the movie Little Nicky (2000).
* Prior to *Repentance*, this item's description was "Mass Fear"
Little Baggy

### Unlock Method

 Pick up any 2 of the following items in a single run: , , , , and  ( Any 2 items that have the 'syringe' item tag)

**Little Baggy** is a passive item.

## Effects

* Allows Isaac to carry two pills. Tapping the Drop button will cause a cycle through the two pills.
* Spawns a random pill.
* Changes all card and rune drops into pills.
* Changes all card drops into pills. Existing Runes will not be converted, but new Runes will only appear through forced drops (such as from  or ).

## Notes

* Any Tarot card or rune held when picking this item up will change into a pill.
	+ counts as a card and will be converted.
	+ If playing as  Jacob and Esau, if one character picks up Little Baggy while the other character holds a card, that card will remain until used or dropped.
* Blowing up the skull marked with a small "X" in Depths will drop Telepills instead of .
	+ If The Fool has already been generated, it will not be guaranteed to be replaced with a Telepills.
* Tainted Characters who have an active item in the consumable slot will be allowed a third slot for pills.

## Interactions

* : Generates pills instead of cards upon use.
* : The item becomes functionally identical to .
	+ During multiplayer, if Little Baggy is held by one player, other players can still spawn cards using Deck of Cards. Dropping the card will convert it into a pill.
* : Since all cards turn to pills, there is potential for a lot of damage ups.
* : Most negative pills will be converted to their positive counterparts.
* /: Most negative pills will be converted to their positive counterparts.
* : Overrides Little Baggy. Pills may still be for sale in shops, but dropping them turns them into cards.
	+ Having both items allows both cards and pills to appear again.
		- Picking up Starter Deck while already holding Little Baggy will turn any held pills into cards.
Little C.H.A.D.

**Little C.H.A.D.** is an unlockable passive item.

## Effect

* Spawns a familiar who drops a Half Red Heart every three rooms.
	+ The first drop happens after two rooms.

## Notes

* Little C.H.A.D. can drop by defeating C.H.A.D.
* Familiars that follow behind Isaac have a certain priority in how close their position is to him over other familiars, with Little C.H.A.D. having the lowest priority at 6th and thus being farther from Isaac than familiars of different priorities.

## Synergies

* : The familiar drops hearts in a repeating pattern of 2, 2 then 3 rooms.

## Interactions

* ???,  Tainted ???,  Dark Judas,  Tainted Judas,  Tainted Forgotten: Useless, unless  or  have been collected, since these characters can't pick up red hearts.
* Keeper/ Tainted Keeper: Will give Blue Flies instead of hearts, acting as a weaker .

## Trivia

* This item is a reference to the C.H.A.D. boss from Super Meat Boy, where after defeating C.H.A.D. he becomes very small and in the following cutscene will keep trying to get kisses from Meat Boy.
* Little C.H.A.D. will blow a kiss to the camera every time a room is cleared, even if no half red heart is created.
Lord of the Pit

**Lord of the Pit** is a passive item.

## Effects

* Grants Flight.
* +0.3 speed ( not applied until the next time Isaac's speed stat is updated).
* This item belongs to the  set. Collecting three items from this set will transform Isaac into Leviathan.

## Trivia

* Lord of the Pit's icon resembles the Cross of St. Peter.
* The wings granted by Lord of the Pit are identical to  Azazel's wings.
* The item is a reference to a 'Magic: The Gathering' card of the same name featuring a black-winged demonic creature on it, which is the appearance Isaac assumes upon picking up the item.
* "The Lord of the Gap" is a name commonly given to Belphegor, the demon of sloth and invention.
Karma

**Karma** is an unlockable trinket added in *The Binding of Isaac: Afterbirth*.

## Effects

* Donating to a Donation Machine has a chance to do one of the following:
	+ Heal Isaac for a full Red Heart
	+ Spawn a Beggar
	+ Get a Penny back, directly added to Isaac's total
* Increases the chance that donating to a Donation Machine will increase Isaac's luck.

## Synergies

* /: The luck increase granted by Donation Machines grows with each effect/trinket copy stack granting +1 luck per stack.
	+ The  Golden Trinket effect also adds to this stack.

## Gallery

* Karma's original appearance before Booster Pack #5.

## Trivia

* The Symbol is a Triskelion, also known as a Triskele, which is often used to represent karma.
Locust of Famine

**Locust of Famine** is an unlockable trinket added in *The Binding of Isaac: Afterbirth †*.

## Effects

* Upon entering a room with enemies, spawns a Yellow Locust that deals double Isaac's damage and slows enemies.

## Notes

* The Locust will also spawn each time a wave starts in Boss Rush.
* The Locust will not spawn each time a wave starts in Greed Mode.
Lil Monstro

*For the boss with a similar name, see Monstro. For the enemy with a similar name, see Ministro.*

**Lil Monstro** is a passive item added in *The Binding of Isaac: Afterbirth †*.

## Effect

* Spawns a small flying Monstro familiar that charges up and fires a large cluster of tears, similar to Monstro's main attack.
	+ It fires between 12 and 14 tears that do 3.5 damage each.
		- It can do a minimum of 3.5 damage to 49 damage, depending on how many shots are fired and how many hit

## Notes

* Familiars that follow behind Isaac have a certain priority in how close their position is to him over other familiars, with Lil Monstro having 3rd priority.

## Trivia

* **Lil Monstro** is the familiar form of Monstro.

## Gallery

* Item art concepts for AB+, including Lil Monstro
Mask + Heart

The **Mask + Heart** is an enemy commonly found in Necropolis, uncommonly in Womb/Utero, and rarely in Catacombs. Hearts may be found on their own in The Womb/Utero as well.

It consists of two parts:

* an invulnerable mask, which uses a movement pattern similar to a Knight.
* a slow-moving heart that will shoot 4 projectiles in the cardinal directions when the player approaches it.

Destroying the heart will also destroy the mask. If the heart is afflicted by a status effect, the mask will also gain that status effect.

## Variations

### Stage HP

 40
 0

### Found In

The **Mask II + 1/2 Heart** is a more advanced variation of Mask + Heart that was introduced in *The Binding of Isaac: Repentance*.

While Mask II behaves very similarly to the default Mask most of the time, the 1/2 Heart that accompanies it behaves drastically different. As the name implies, the heart is split into 2 individual halves. Unlike the default Heart, neither half actively avoids the player and instead floats around the room somewhat erratically. While both halves are intact, they create a steady stream of blood shots between themselves acting as somewhat of a barrier between the two. Once one of the halves are destroyed, the mask becomes angry and begins moving much quicker while the remaining half begins slowly floating towards the player while frequently firing 4 blood shots in the ordinal directions. Once both halves are defeated, the Mask II dies with them.

## Notes

* Although the mask appears to be floating, it cannot pass over obstacles and can be affected by Creep.
* The hearts do not do contact damage.
* The masks can be killed with , , and .
* If a mask is shrunk, it can be killed by walking over it.
* Small versions of the hearts can be spawned by Pink Champion Carrion Queen.
* The hearts can be spawned by Mom's Heart/It Lives.
* Although the Heart and it's shots will be slowed by  and , the Mask will move normally.
* Though shown and dying as one enemy, using items such as  will cause both the mask and the heart to reroll as if it were two different enemies.
* Mask of Infamy is the boss version of this enemy.

## Gallery

* Unused pre-release sprite for the Heart half of the Mask + Heart duo found among the Room Editor files.
* Angry Mask II and the other half of the 1/2 Heart.
Linger Bean

**Linger Bean** is a passive item added in *The Binding of Isaac: Afterbirth †*.

## Effects

* Firing without a pause for 7.5 seconds creates a small brown cloud that damages enemies who walk through it.
	+ The damage is equal to Isaac's base tear damage, dealt roughly 5 times per second.
	+ The clouds can be moved by shooting them.
	+ The clouds only last for 15 seconds, meaning a maximum of two can be active at any given time.
	+ Changing firing direction is allowed, but any pause in holding a fire button or taking damage resets the timer.

## Synergies

* : The clouds will be larger, increasing the range drastically. The damage is unaffected.
Divine Intervention

**Divine Intervention** is an unlockable passive item added in *The Binding of Isaac: Repentance*.

## Effects

* Double tapping a fire key creates a Divine Shield that slowly moves in the chosen direction.
* The Divine Shield has a variety of effects.
	+ Enemies are pushed back in the opposite direction, completely reversing their trajectory with some added momentum.
		- If they hit a wall or obstacle while being pushed, they take 10 damage and deal 10 damage to enemies they hit. The damages are increased by 2 for each floor.
	+ Enemy tears are reflected, dealing damage back to enemies depending on the source of the tear.
		- The reflected projectiles deal 6 damage if they would've hurt Isaac for half a heart, and 7 for a full heart.
		- Reflected projectiles do not gain Tear effects from Isaac.
			* Explosive projectiles (e.g. from Gurgle) explode as normal, dealing as much damage they would've.
			* Projectiles that create other projectiles (e.g. Shady) can harm Isaac and be reflected.
			* Homing projectiles (e.g. from Psychic Horf) do not retain their homing effect after being reflected.
		- Can reflect:
			* Fire projectiles (e.g. from Mega Satan).
			* Obstacles thrown by Polty or Kineti, dealing a flat 35 damage.
		- Does not reflect:
			* Lines of fire (e.g. from Dragon Fly), but can reflect fireballs (e.g. from Crackle) and their lines of fire do not harm Isaac.
			* Projectiles from Big Bony, Coal Boy, Danny.
	+ Enemy Brimstone lasers are reflected, dealing 7 damage per tick (105 damage per second) to enemies hit by the reflection. It can even deflect the colossal brimstone laser fired by The Beast.
		- White beams, such as those used by Dogma in its second phase, are reflected into holy beams similar to those fired by .
* The shield lasts 1 second, and has a cooldown of 3 seconds.
* This item belongs to the  set. Collecting three items from this set will transform Isaac into an angel.

## Notes

* If any charged item is obtained along with Divine Intervention e.g.  or Revelation, a different fire key may be pressed to put out the shield without forfeiting the charge of said item.

## Interactions

* Divine Intervention: Multiple copy of this item from such as  or  has no effect aside from being counted for .
Modding Tutorials

This page lists some useful Modding tutorials.

* How to Isaac Sprites by LeatherIceCream

The Antibirth developer LeatherIceCream demonstrates how to create sprites in the style of The Binding of Isaac. Applies to all versions of the game.
* The Modding of Isaac: Afterbirth+ with Lyte by Lytebringr

A series of video tutorials by Lytebringr focused on Afterbirth+ exploring various modding topics such as XML and PNG modifications and Lua scripting.
* How to mod Afterbirth+ by Eufuu

A collection of video tutorials by Eufuu focused on Afterbirth+ that provides some basic knowledge on how to get started with modding.
* Afterbirth+ Animation Editor Tutorial by OnyxDarkKnight

A video tutorial by OnyxDarkKnight that shows how to use the Animation Editor that comes with The Binding of Isaac: Afterbirth+.
* Repentance Modding Tutorials by Slugcat

A series of video tutorials by Slugcat focused on Repentence changes about modding.
Knockout Drops

**Knockout Drops** is a passive item added in *The Binding of Isaac: Repentance*.

## Effects

* Adds a chance to shoot red fist-shaped tears that deal extreme knockback and cause confusion for 2 seconds.
	+ Enemies will take `10 + 2 * (floor - 1)` damage when they are knocked into a wall/obstacle or when hit by another knocked back enemy.

## Notes

* The chance to fire fist tears depends on the luck stat, and the formula used to determine the chance is:

1

10
−

⌈

L
u
c
k

⌉

{\displaystyle \frac1 { 10 - \left \lceil \mathit{Luck} \right \rceil}}

	+ At base luck (0), the chance is 10%, maxing out at 100% at 8.01 luck.
* Bosses are also affected by all of Knockout Drops' effects.
* Fist tears play a unique punch sound effect when they hit enemies.
* Knockout Drops can be dangerous in The Beast battle, as the Ultra Harbingers may get knocked so far off the screen they become hard to damage further and their attacks cannot be seen properly.

## Synergies

* : The trail of tears has a chance to knockback enemies.
* : Gives the lasers high knockback.
* : Enemies that are shocked by a knockback tear will also be knocked back.
* : Hovering tear alternates between a normal tear and a fist.
* : Laser receives knockback effect as with normal tears.

## Trivia

* Knockout Drops is from the *Antibirth* mod. In *Antibirth*, enemies would not take extra damage from being knocked into something else but still deal damage to enemies they are knocked into.
* Taking this item as  Keeper will give him the expression of Bum-Bo the Brave, and by extension, Bumbino.

## Gallery

* Keeper's unique appearance with Knockout Drops, resembling Bum-Bo the Brave and Bumbino.

## References

* The Binding of Isaac Item Trigger Testing
Mega Fatty

Double Trouble

(With Pin)

Degraded Boss

**Mega Fatty** is a boss that can appear:

* Only in the Caves.
* In the Caves and the Flooded Caves.

## Behavior

* Leaps off-screen and tries to land on Isaac's position, leaving a large puddle of Red Creep upon landing.
* Slides briefly towards Isaac and performs a short-range jump, also leaving Red Creep when he lands.
* Inhales, drawing in Isaac and any monsters towards him, before then vomiting upwards, unleashing a barrage of projectiles into the air. The projectiles will rain down for a short duration, following Isaac's movements.
* Farts, which can damage Isaac if he's too close, and will either:
	+ Summon 1-3 Dips.
	+ Unleash a cluster of either small or big projectiles behind him, similar to Monstro.

## Champion Versions

 **Brown**: Has 15% more HP (690). He will not use his vomit attack and sends out rock waves instead of leaving Red Creep upon landing when performing the long-range jump, similar to The Cage.
 **Red**: 33% smaller and has 10% less HP (540). Shoots 6 bullets instead of leaving Red Creep upon landing. Creates Red Poop instead of Dips. Vomit attack sends out four projectiles stream attacks in a pattern similar to Mom's Heart/ It Lives. Due to the high tear height of the vomit attack projectiles, it is nearly impossible to get hit by them.
## Gallery

* Mega Fatty in-game.
* Brown Champion Mega Fatty.
* Red Champion Mega Fatty.
* Mega Fatty as one of  Delirium's forms.
* An unused sprite for Mega Fatty found among the Room Editor icons.
* Concept art for Mega Fatty on the top middle and top right, along with other Rebirth boss concept arts.

## Notes

* will still block all incoming projectiles from his barrage, even if they happen to go high enough to be offscreen.

## Trivia

* He is the boss version of the Fatties.
* The Cage is the posthumous version of Mega Fatty.
* The picture of Mega Fatty on Isaac's last will closely resembles the unused variant.
Mom's Pearls

*For the trinket with a similar name, see Mom's Pearl.*
**Mom's Pearls** is a passive item added in *The Binding of Isaac: Afterbirth*.

## Effects

* +1.25 range.
* +2.5 range.
* +0.5 tear falling speed.
* +1 luck.
* Grants one Soul Heart.
* This item belongs to the  set. Collecting three items from this set will transform Isaac into his mother.

## Trivia

* The fact that this item gives a soul heart may be a reference to the effect of .
Lucky Sack

**Lucky Sack** is an unlockable trinket added in *The Binding of Isaac: Repentance*.

## Effects

* Spawns a Grab Bag upon traveling to the next floor.

## Synergies

* : An extra sack will spawn next to Found Soul.
* Golden Trinket//: Each effect/trinket copy stacks granting 1 extra sack every floor per stack.

## Interactions

* : Does not spawn an extra sack for the Keeper.
Loki's Horns

**Loki's Horns** is a passive item.

## Effects

* Adds a chance to shoot tears in four cardinal directions, similar to Loki.

## Notes

* The chance to shoot extra tears depends on the luck stat, and the formula used to determine the chance is:

1

8
−

⌊

L
u
c
k

⌋

{\displaystyle \frac1 { 8 - \left \lfloor \mathit{Luck} \right \rfloor}}

	+ At base luck (0), the chance is 12.5%, maxing out at 100% at 7 luck.
* The chance to shoot extra tears depends on the luck stat and is based on this formula:

25
%
(
5
%
∗

L
u
c
k

)

{\displaystyle 25\% + (5\% \* \mathit{Luck})}

	+ This means that the chance starts at 25% at 0 luck, minimizes at 0% at -5 luck, and maximizes at 100% at 15 luck.

## Synergies

* : Each time Mom's Eye would activate, Loki's Horns activates instead. If Mom's Eye fails to activate, Loki's Horns' activation rate is still checked for afterwards.
* : Extra tears will fire in the same direction.
* : The sprinkler eye turns into four eyes and alternates shots between the cardinal and ordinal directions.
* : Effectively grants a great tear multiplier, as on item activation the extra tears will follow the trajectory given by the Tiny Planet.

## Interactions

* //: No effect on the tears fired in the other 3 directions. The chance to activate is checked per shot, not for each tear fired.
* : **Not recommended without immunity.** Adds a chance to fire four bombs in cardinal directions.
* : Adds a chance to spawn four crosshairs in cardinal directions. Isaac controls one and the others will mirror the movement keeping their space.
* : Not affected by Loki's Horns.
* : Adds a chance to fire four explosive shots in cardinal directions. Caution is advised, though it is easier to avoid damage than Dr. Fetus.
* : Adds a chance for 4 piercing + spectral tears to be fired in cardinal directions from the main tear. This chance scales with luck and goes up to 100% at 20 Luck.
* : Adds four knifes on the cardinal directions around Isaac that can be rotated but all of them will be thrown when four tears would shoot with only Loki's Horns.
* : Only one red tear will be fired in the other directions.
	+ Fires 14 tears in each of the four directions.
* : Overridden by Tech X.
	+ The laser rings will only fire forwards and backwards, with 2 stacked on top of each other in both directions, shooting at an angle will shoot the stacked rings at different angles.
* : Extra tears are not affected by Tractor Beam.

## Trivia

* This item is used in Glass Cannon (challenge #11).

## References

* The Binding of Isaac Item Trigger Testing
Maw

*For another monster with a similar name, see Mr. Maw. For the boss with a similar name, see Mega Maw.*

### Stage HP

 20
 0

### Found In

**Maws** slowly drift towards Isaac while spitting a blood shot at him when near him, the latter behavior is similar to that of Horfs.

They resemble pale floating heads with misshapen eye sockets that drip blood and an open mouth with only two teeth.

## Variants

### Stage HP

 20
 0

### Found In

Chance To Replace Maws

**Red Maws** float towards Isaac considerably faster than the Maw but do not fire any projectiles. Instead it will fire 4 blood shots in cardinal directions upon death, similar to Suckers.

They resemble other types of Maw, but with pink skin and a their mouth stitched shut, as if to prevent blood shots from being fired.

### Stage HP

 20
 0

### Found In

Chance to replace Maws and Red Maws

**Psychic Maws** behave identically to Maws but fire purple homing shots that deal a whole heart of damage. The Psychic Maw will always spawn with an Eternal Fly circling it.

The Psychic Maw resembles a pale floating head with its eyes and mouth stitched shut and a third eye opened in its forehead dripping blood. The third eye emits a small purple fire.
Mom's Lock

**Mom's Lock** is an unlockable trinket added in *The Binding of Isaac: Repentance*.

## Effects

* Has a chance to grant the effects of a random passive Mom item each room.

## Notes

* The trinket can't give the effect of  or .
* The trinket can give the effect of a Mom item Isaac already has.
* Mom's Lock doesn't count towards , no matter the effect.
* Items with the lower item quality are more favored when Mom's Lock chooses an item.
* The items chosen by the trinket won't grant health or spawn pickups/consumables.

## Synergies

* Golden Trinket / : Increases the chance of the effect occurring.
Monster Manual

**Monster Manual** is an activated item.

## Effects

When used, a random familiar will be spawned from the following:

* Familiars spawned by Monster Manual last for the current room.
* Familiars spawned by Monster Manual last for the rest of the floor.
* Familiars generated by Monster Manual do not contribute toward transformations.
* This item belongs to the  set. Collecting three items from this set will transform Isaac into Bookworm.

## Notes

* It can spawn familiars not yet unlocked.
* If  or  are spawned and Isaac already has either of those items, the level of these items will increase while the effect is active.
* Using Monster Manual is a good method to unlock achievements related to Super Meat Boy and Super Bandage Girl.
	+ Using Monster Manual and enough Lil' Batteries, Super Meat Boy and Super Bandage Girl can both be achieved in the same run.
	+ If Isaac does not already have the Cube of Meat or Ball of Bandages, Monster Manual can spawn a level 2 Cube of Meat or Ball of Bandages in one use.
* will not copy familiars spawned by Monster Manual.
* Familiars spawned by Monster Manual cannot be rerolled into other items by  or .
* will not duplicate familiars spawned by Monster Manual.
* orbitals will persist between floors until they are all destroyed. They will not respawn outside of the floor they were generated in.
* The familiars summoned by Monster Manual are items with a `monstermanual` item tag.
* Tainted Lazarus: If dead Tainted Lazarus has used Monster Manual, but living Tainted Lazarus progresses to the next floor (or vice versa), familiars from the previous floor are not removed. Upon exiting the game, or moving to the next floor as either character, any familiars retained this way are lost, meaning familiars cant be kept at most 1 extra floor.

## Synergies

* : Spawns wisps in the inner ring. The given wisps function similarly to familiars given by .

## Interactions

* : Summoned familiars can be sacrificed since they persist for the entire floor, even if Monster Manual isn't currently being held.

## Trivia

* In the original *The Binding of Isaac*, due to a typing error this item was called "Monster Manuel". This has been corrected for *Rebirth*.
	+ Monster Manual may sometimes display the misspelled name when picked up.
* Monster Manual is a direct reference to *Dungeons & Dragons*. Its appearance in the game closely resembles the *Advanced Dungeons & Dragons First Edition Monster Manual*.
	+ The item being in the Devil Room pool is likely a reference to the moral panic surrounding the game in the 1980s.

## Gallery

* 3DS The icon of Monster Manual as seen on the lower 3DS screen
* Monster Manual's splash image which appears when it's activated.
Mongo Baby

### Collection Grid

*(page 4, column 7, row 2)**(page 3, column 17, row 4)**(page 3, column 18, row 4)*

**Mongo Baby** is a passive item.

## Effects

* Spawns a familiar that cycles between the tears of Isaac's other familiars.
	+ If no familiars are present, Mongo Baby will fire normal tears that deal 3.5 damage.
	+ Mongo Baby shoots once every half second.
	+ Mongo Baby shoots once every 1/3rd of a second, shooting at the same speed as Isaac at base tears.
* This item belongs to the  set. Collecting three items from this set will transform Isaac into a three-faced version of himself.

## Notes

* Mongo Baby can only copy the familiars listed below:
* Mongo Baby will not copy familiars spawned by  or .
* Familiars that follow behind Isaac have a certain priority in how close their position is to him over other familiars, with Mongo Baby having 4th priority.

## Interactions

* : Mongo Baby behaves like Demon Baby, and will no longer shoot its regular tears unless Isaac has another compatible familiar. If Isaac has other familiars that Mongo Baby can mimic, its behavior alternates between Demon Baby’s and the other familiars’.
* : Mongo Baby's tears will become red, but Mongo Baby will not fire in four directions.

## Trivia

* According to Edmund, this item is a bunch of babies cut up and put back together to create the "mongoest" baby.
Less Than Three

**<3** is a passive item.

## Effects

* Grants one Heart container.
* Fully restores Isaac's red health. Does not affect Soul Hearts and Black Hearts.

## Interactions

* Tainted Bethany: Grants 12 blood charges.

## Trivia

* "<3" is the ASCII/Emoticon representation of a heart.
* Although <3's is a heart, it isn't like an anatomically correct heart, nor a heart symbol, instead looking like a combination of the two.
* According to Edmund McMillen's first post-Repentance Lore Stream, the visual appearance of this item is a reference to the movie 'Raising Arizona' in which the character of Glen passingly remarks about an orphan child with his heart born on the outside of his chest.
	+ McMillen states that this remark left a lasting impression on him when he was younger, and as such he wished to incorporate it into the game in some way.
	+ This scene itself is a reference to the rare birth defect 'ectopia cordis' in which the child's heart is located either partially or entirely outside of their chest.
	+ With Isaac canonically being 3 apples tall, the amount of body covered by the heart is fairly accurate compared to the size of an average child heart.
List of curated daily challenges

The following table is a list of curated daily runs for Daily Challenges:

## Removed dailies

The item blacklist from the seed is expanded with: , , , , , , , , , , , , , , .
Score-specific changes: Having atleast one G FUEL! multiplies Exploration Bonus from enemies killed by 10. G FUEL! awards an independent base value of 1833 Schwag Bonus; every subsequent can gives around 17% less; every floor increases the base value of a can by around 17%; maximum G FUEL! Schwag Bonus is 10289.

## Notes

* Only the listed peculiarities are predetermined. Everything else is randomly generated by the game.
* If a curated daily with a set goal lands on a Monday, it will be on Normal mode instead.
* If a curated daily with a set goal lands on a Sunday, the set goal will take priority over Mega Satan.
* Starting Items can be removed with  effects,  or  with .
* or  will copy all starting items (including Active Items), grant the same amount of starting pickups and drop a copy of the starting Trinket/Card/Pill/Rune.
* Curated item pools work slightly differently: Encountering one of the Items in a Treasure Room will not decrement its weight, allowing it to reappear again. Picking them up or encountering them in a different item pool will decrement them as usual. Once all of the listed Items have been removed, the item pool will turn back to normal.
* Runs with  or  labels signify curated runs that only exist starting from these DLCs. Dailies themselves were introduced in Afterbirth, hence even despite not having  label, runs without any labels signify events that exist in all versions of the game that have dailies. These said "labeless" runs might still have corrections that only exist in  or  though.
Member Card

**Member Card** is an unlockable passive item added in *The Binding of Isaac: Repentance*.

## Effects

* Spawns a trapdoor in each Shop that leads to an additional underground shop that can sell 2-5 of the following:
	+ A Trinket for 15 cents.
	+ An Item for 15-30 cents. Items will be from the Secret Room, Shop, Devil/Angel Room, or Boss Room items; there can be multiple items from different item pools, but items will stay to their chosen item pool if rerolled.
		- Devil/Angel room items can cost up to 50 cents, and Secret Room items can cost up to 99 cents.
	+ A Card/Rune/Soul Stone for 6-8 cents.
	+ A Black Heart/ Bone Heart for 8 cents.
	+ An Eternal Heart for 15 cents.
	+ A Rotten Heart for 5 cents.

## Notes

* The trapdoor spawns even if the shop was replaced by Greed or Super Greed, in which case it won't open until Greed has been defeated.
* Similar to Crawl Spaces, there is only one secret shop per floor. The trapdoors in extra shops created by  will lead to the same secret shop.
* If the Member Card was removed from the player's inventory (for example, by playing  Tainted Isaac and replacing it with a different item), the trapdoor will still remain open once it has been spawned, even after leaving and reentering the shop.
* The trapdoor will appear in the Mirrored World version of the shop. Despite the shop itself being empty, the trapdoor will lead to the same secret shop where the items are still for sale. Buying from the secret shop in the Mirrored World will thus remove the bought item from both worlds.

## Interactions

* //: Only shop pool items are created if used in the underground shop.
* : Items bought in the underground shop will also be restocked.

## Trivia

* Member Card is from the *Antibirth* mod.
* It is likely a reference to the Member Card from the Fire Emblem series. In Fire Emblem, having a Member Card gives one access to unique and valuable items in shops, similar to the Member Card in Repentance.

## Bugs

* Don't go into the underground shop.
* Go in the mirror world, enter the underground shop's alternate mirror version. It should have nothing for sale.
* Make the game refill shop. For example by using a restock machine.
* Go to the regular underground shop in the normal non-mirror world.
* Now the underground shop contains two overlapped sets of things on sale : One from when the mirror version was restocked, and one from when you entered the "real" underground shop for the first time.
Liberty Cap

**Liberty Cap** is a trinket.

## Effect

Grants a chance of triggering one of the following effects for the current room upon entering it:

## Notes

* If the Compass effect triggers while having the , the Compass effect is permanent for the remainder of the floor. (Other Mushroom effects will still apply in each room with their normal odds.)
* In addition to regular trinket drop sources, the Liberty Cap has a chance of dropping upon destroying a mushroom.
* By walking into and out of a room, Liberty Cap will change it's effect.
	+ This can be used to easily get the Compass effect.
	+ This can be used to easily get the Magic Mushroom effect before Boss Rush or Dogma (as the Dogma boss room door will only close when touching the middle of the room).

## Trivia

* This item quote is a reference to the *Yoshi's Island* level 1-7: *"Touch Fuzzy Get Dizzy"*.
* Psilocybe semilanceata, commonly known as "Liberty Cap", is widely present in nature and is a very powerful psychedelic mushroom which contains psilocybin.
* The Liberty Cap's ability to grant the Compass effect was a bug in the original *Binding of Isaac* which was carried over due to popularity with the fans.
* The pickup quote for the Chinese translation (一摸一起躺板板) is a reference to a popular meme [1]
Mine Crafter

### Collection Grid

*(page 4, column 2, row 4)**(page 4, column 2, row 4)**(page 4, column 3, row 4)*

**Mine Crafter** is an activated item added in *The Binding of Isaac: Afterbirth*.

## Effect

* Upon use, spawns a Movable TNT.
* If used a second time while the created TNT is still active, it will explode.  This will consume a charge to remotely detonate the TNT instead of creating another TNT.
	+ The remote detonation can be used while the item is uncharged.

## Notes

* The Movable TNT has a unique cubic appearance, but it functionally identical to a regular Movable TNT.

## Synergies

* : Spawns one glowing green wisp that cannot take or deal damage in any way, and bounces around the room in a random direction, instead of following Isaac. If the wisp is shot by Isaac or his familiars, it explodes, dealing 100 damage to nearby enemies. The wisp does not persist between rooms. Explosions and enemy shots do not detonate it, and the wisps' explosions are unaffected by  and bomb synergies.

## Interactions

* : The TNT is spawned and may be instantly hit by 120 Volt's electric shock, which usually wont detonate it unless Isaac is near some enemies.
* Tainted Magdalene: Tainted Magdalene may immediately attempt to hug the TNT upon holding it up, instantly detonating it and dealing damage to her.
* : The TNT will be spawned and then instantly explode, dealing a full heart of damage.
	+ Spawns two TNT barrels instead.
* : Occasionally spawns a golden TNT barrel which turns into a regular movable TNT after 3 seconds. While in its gold state, Isaac cannot collide with the barrel nor push it, although it can be pushed by enemies. In some cases, the golden barrel will explode immediately after spawning, dealing damage to Isaac. Apart from that, it doesn't give any benefits.

## Trivia

* This item's name is a reference to the game Minecraft created by Mojang.
	+ TNT is a craftable explosive block in Minecraft that is red and cubed. When lit up by the fire, fire setting objects, or certain redstone currents, it would eventually explode, damaging nearby blocks and entities. However, it doesn't share many similarities with the Mine Crafter pickup item or TNT in the Binding of Isaac.
	+ Mine Crafter also physically resembles a TNT block from *Minecraft*.
Pinky Eye

**Pinky Eye** is a trinket.

## Effects

* Adds a chance to shoot a poison tear, dealing damage over time when inflicted

## Notes

* The chance to fire a poison tear depends on the luck stat, and the formula used to determine the chance is:

1

10
−

⌊

L
u
c
k

∗
0.5

⌋

{\displaystyle \frac1 { 10 - \left \lfloor \mathit{Luck} \* 0.5 \right \rfloor}}

	+ At base luck (0), the chance is 10%, maxing out at 100% at 18 luck.

## Interactions

* : Activation rates are individually applied to each tear, effectively allowing for higher amounts of poison tears. However at 12 Luck, this trinket will not do anything for Isaac as The Common Cold is guaranteed to make every tear poisoned at that point.
Magneto

This article is about the Magneto item. For a similar item, see Strange Attractor. For a related trinket, see Broken Magnet.

### Item Pool

* Ultra Secret Room
* Treasure Room

### Collection Grid

*(page 1, column 2, row 6)**(page 1, column 12, row 3)*

**Magneto** is a passive item.

## Effects

* Pickups (e.g. hearts, coins, keys, bombs, etc.) are attracted to Isaac.
	+ The attraction enables the item to pass/fly over pits or rocks, but not through Key Blocks.
	+ Hearts are only attracted if Isaac could pick them up with his existing Red Heart containers.
	+ Batteries act similarly to hearts in that they will only be attracted to Isaac if his active item isn't fully charged.
	+ Chests roughly 2 or fewer tiles away from Isaac open automatically. Spiked Chests are opened without damaging Isaac. Locked Chests and Bomb Chests are not opened and still require a key/bomb, though Locked chests *will* be opened from a distance if Isaac possesses the .

## Notes

* Magneto can attract  Scared Hearts, but they still run away from Isaac.
* Grab Bags are not attracted by Magneto.
	+ They are also not opened by Magneto.
* If Magneto opens the chests in Challenge Rooms, the waves won't start spawning unless you touch the empty chests, nor the way out will be closed.

## Interactions

* : Magneto cuts the momentum of the hearts, allowing for easy pickup and, in turn, making Isaac very tough to kill.
* : If a chest is presented as a choice and opened by Magneto, the other reward won't disappear unless the empty chest is then touched. Chests with items disappear or make the other reward disappear, though.
	+ Options? + : If Broken Modem duplicates a chest that was spawned by Options?, using Magneto to immediately open the chest while in its glitched form will create a  item if the chest contained an item.
* Tainted Magdalene/ Tainted Keeper: Attracts hearts and coins dropped by enemies, allowing for an easier survival and/or coin mongering respectively.
* : Allows locked chests to be opened from a short distance.
* : Does not increase the pull speed of coins.

## Trivia

* The item's name may be a reference to the X-Men villain, *Magneto.*
* This item's coloration and placement on Isaac's head may be a nod to *Magnet Man*, a villain from the early *Mega Man* games (noticeably Mega Man 3).
* Despite what the description says, Magneto will not attract passive or active items.
* appears to be half of this item, and indeed retains part of its function.
Morningstar

### Found In

**Morningstars** are enemies that float towards Isaac only when Isaac is moving. They get faster as they move, eventually reaching a point where Isaac cannot outrun them unless he has a high speed stat. When Isaac stops moving, their speed resets and they stop in place. They deal a full heart of contact damage.

They have 2 different appearances though this is purely visual as they behave the same.

## Trivia

* The name Morningstar comes from "Morning Star" which is one of the meanings of the name "Lucifer"- a common name for Satan.
* Morningstars resemble the end of a morning star, a medieval club-like weapon.
* Morningstars closely resemble Ferals, enemies from Edmund's game *The End is Nigh*. Both are sharp-toothed spiked balls that float in the air and pursue the player, attached to the ground by a chain.
PRIDE DAY!

**PRIDE DAY!** is challenge #28. Start off with , the , and . The goal is to defeat Mom's Heart or It Lives. The Rainbow Worm cannot be dropped in this challenge.

## Difficulty

This is a rather casual challenge run. Many of the potential effects of the Rainbow Tears end up being beneficial overall. However, certain tears could temporarily be detrimental, such as  tears causing self-damage or  greatly decreasing range. It is necessary to adapt to the tear trajectories given by Rainbow Worm during the run.

Although you cannot drop the Rainbow Worm, you can still acquire other trinkets through use of a Gulp! pill or any items that allow you to hold two trinkets.

## Reward

* D8 - Complete **PRIDE DAY! (challenge #28)**.

## Trivia

* The name of the challenge "Pride Day" and the rainbow-themed items of the challenge is a reference to the LGBTQIA+ Pride community and their signature rainbow flag.
Psy Fly

This article is about **Psy Fly**, similar in appearance to Obsessed Fan.
**Psy Fly** is a passive item added in *The Binding of Isaac: Repentance*.

## Effects

* Spawns a fly orbital familiar that chases and blocks enemy shots.
	+ After a certain amount of shots are blocked, it enters a short cooldown period where it still blocks shots, but does not actively chase them.
* Psy Fly also deals 1 contact damage to enemies per tick (15 per second).
* Instantly kills some Fly enemies upon contact.
	+ Flies affected include: Army Fly, Attack Fly, Fly, Ring Fly, Swarm, and Willo.
* This item belongs to the  set. Collecting three items from this set will transform Isaac into a giant humanoid fly.

## Notes

* While Psy Fly is an effective means of projectile protection, it is not immunity, and recklessly wading into a barrage of shots can easily result in taking damage.
* Psy Fly will block most types of projectiles, not just red bullets. This includes the fires from Mega Satan phase 2, the bone projectiles Bonies throw, or even the rocks that the Kineti throws at you.

## Trivia

* This item originates from the Antibirth mod, but it was unobtainable due to a bug. It also had two scrapped abilities that made Attack Flies turn into Blue Flies when encountered and blocked tears home in on enemies. Psy Fly was originally unlocked by completing Isaac's Awakening (challenge #39).

## Gallery

* An unused unlock screen for Psy Fly. In Antibirth, this item was intended to be unlockable, but the unlock requirement was bugged.