recursal/Fanatic-Fandom huggingface dataset:
Tammy's Head

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Tammy's Head** is an activated item.

## Effects

* Shoots 10 tears in a circle around Isaac.
* The tears retain shot speed and special effects (such as Poison) of Isaac's tears.
* Each tear will deal Isaac's current damage and a flat +25 damage bonus on top.

## Synergies

* A Lump Of Coal - Depending how much far are the tears,the tears can deal extra damage.
* Anti-Gravity - Tears will hover in place for a few seconds before traveling outwards.
* Brimstone - Isaac will fire Brimstone lasers in all directions. This includes Azazel's short-ranged Brimstone. This item can assist in a speed run due to the extremely overpowered insta-kill that can clear most rooms almost instantly.
* Chocolate Milk - The size and damage of tears shot depends on how far Chocolate Milk is charged.
* Cricket's Body - When the tears falls at the ground or hits an enemy,they will split into 4 smaller tears.
* File:DLC Indicator.pngCar Battery - Shoots 20 tears in a circle around Isaac.
* Dr. Fetus - Tears are replaced by bombs.
* Ipecac - Shoots 10 Ipecac tears in a circle around Isaac,dealing massive damage and can hurt Isaac.
* Mom's Knife - Knives do not return after shooting out.
* Polyphemus - Shoots 10 giants tears in a cirlce around Isaac,dealing massive damage.
* Tiny Planet - Causes Tears to linger around the character for additional damage.
* File:Afterbirth† Indicator.pngVibrant Bulb - Isaac's bonus states will upgrade (like Damage,Luck,Tears...),and when used,the tears of the item are more better.

## Unlockable Achievements

* The Parasite The Parasite - Pick up any 2 of the following items in a single run: Bob's Rotten Head, Dead Cat, Cricket's Head, **Tammy's Head**.

## Gallery

* Template:Plat3DS The Icon of Tammy's Head as seen on the lower 3DS screen.

## Seeds

Template:PlatPC Template:NormalMode M3XZ Q39X (Golden Chest on first floor)
Template:PlatPC Template:HardMode TVM6 6STZ (Golden Chest in room right of spawn)
Template:PlatPS4 Template:NormalMode SN8SEJBA (Cursed room on first floor)
Template:PlatXbox Template:NormalMode TB9W GQ18 (Secret room in Womb II)

fr:Tammy's Head
Transcendence

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Transcendence** is an unlockable passive item.

## Trivia

* The pickup quote "We all float down here... " is a reference to the Stephen King book 'IT'.
* If Scissors are used after picking up Transcendence, Isaac will have no body from which to shoot tears. Only a shadow and orbitals will remain.
* This item is used in Challenge #6 (Solar System).

## Seeds

Template:PlatPC &Template:PlatPS4 GX8N Z8JV (secret room is to the right of the treasure room)
Template:PlatVita M3WW TM8Q (secret room directly above spawn)
Lunatic Mod Wiki

Welcome to the Official Binding of Isaac: Lunatic Mod Wiki!
A comprehensive encyclopedia for the recently-created The Binding of Isaac: Lunatic Mod that is written and maintained by the players.

Make sure you familiarize yourself with the rules.

**Registering**

* Feel free to register and join our user base.

**Need help with the basics?**

* Find out more about how to edit a wiki on the Gamepedia help page.

**Adding content**

* If you are unsure of what to do or how to create a page, search for a few articles on the same topic and see what they look like. You can always view the source code in a wiki and learn from what others have done.
The Sad Onion

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**The Sad Onion** is a passive item.

## Trivia

* + The Sad Onion was the first item designed by Edmund for the original game *The Binding of Isaac*, which is probably why it has the item ID 1.

## Seeds

Template:PlatPC TZF1 B0TK (Treasure room adjacent to spawn)
Template:PlatVita XLT2 MWVN (Treasure room adjacent to spawn)
Template:Plat3DS S6EY 7YZT (First floor treasure room (*south*); Curse of the Labyrinth)
Harlequin Baby

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Harlequin Baby** is a passive item.

## Effects

* Spawns a familiar that follows Isaac around and fires two tears at once in a V-pattern which deal 4 damage each.
* Template:Conjoined

## Trivia

* This item refers to a condition called 'Harlequin Ichthyosis', which is a rare skin condition from birth, which on babies gives puffy red eyes, green or red crackled/scaly skin, and stretched out lips.[1]

## Seeds

Template:PlatPS4 QA47 BN3P (First floor treasure room)
Template:PlatPC RLLR 8LDZ (Treasure room adjacent to spawn)
Template:PlatPC 1PNA Q2Q3 (Treasure room adjacent to spawn)
Template:PlatPC LNBD TW04 (Treasure room adjacent to spawn)
Mr. Mega

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Mr. Mega** is an unlockable passive item.

## Effect

* Grants 5 bombs.
* Gives all of Isaac's bombs increased damage and blast radius.
	+ Mr. Mega bombs deal 110 damage, while normal bombs deal 60 damage.
* When bombs explode, the screen will shake.

## Notes

* It is possible to acquire this item more than once by killing multiple Super Wraths on later floors; however, the bomb damage increase doesn't stack.

## Trivia

* This item is used in Challenges #7 (Suicide King) and File:DLC Indicator.png #23 (Blue Bomber).

## Seeds

Template:PlatPC 1TWM YDP8 (First floor treasure room)
Template:PlatPC 7HYW NN27 (Treasure room adjacent to spawn)
Template:PlatPC 6097 Y4SD (First floor treasure room)
Template:PlatPS4 M3W6 MBLX (Treasure room adjacent to spawn)
Template:PlatVita G933 3CZJ (Treasure room adjacent to spawn)
Template:Plat3DS FMB9 9YMB (First floor treasure room)
Template:Plat3DS WVFY R43V (First floor treasure room; *Curse of the Labyrinth*)
Unicorn Stump

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Unicorn Stump** is an activated item.

## Effects

* Upon use, grants invulnerability and increased speed for five seconds but removes the ability to shoot tears while the effect is active.

## Notes

* The invulnerability effect negates all forms of damage, including health loss from Blood Donation Machines and Devil Beggars.
* Does not prevent heart container loss from Health Down Pill or Devil Room deals.
* Does not prevent death from the Suicide King card.
* The item is similar to My Little Unicorn, with faster recharge times at the cost of being unable to damage enemies while under its effects.
* If another spacebar item is picked up while in invulnerability state, Isaac will return to normal immediately, can shoot tears and can take damage.

## Synergies

* ???'s Only Friend: The fly can still be controlled while invincible.
* 9 Volt: Causes the Stump to charge in 15 seconds, allowing Isaac to become invincible multiple times in a single room.
* Car Battery: Stump is active for 12 seconds instead of 6.
* Mom's Knife: Isaac can skewer enemies on the knife by running into them while invincible.
* Midas' Touch / The Virus / E Coli / Aries / Orbitals: Isaac can use the stump to turn enemies into gold/poop and damage/poison them without getting hurt.
* The Ludovico Technique: The tear stays in place while Isaac is invincible; although Isaac cannot move the tear, it will continue to damage enemies during his invincibility. This is very useful for stationary enemies.
* File:DLC Indicator.png Marked: Isaac's tears will still fire, but he will be unable to move the crosshair while invincible.
* Orbital Familiars: Isaac can hurt his enemies with these familiars while being invincible.

## Gallery

* Template:Plat3DS The icon of Unicorn Stump as seen on the lower 3DS screen

## Seeds

Template:PlatPC KR9M SBJB (Treasure room adjacent to spawn)
Template:PlatPS4 HE3K 410E (First floor treasure room)
Template:PlatVita A00Z C87K (First floor treasure room)
Maggy's Faith

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Maggy's Faith** is a trinket.

## Effects

* Gives an Eternal Heart at the start of every floor.

## Notes

* When held as ???, an eternal heart will spawn each floor. Upon completing each floor with one, ??? will receive a full soul heart.
* It is added directly to Isaac's heart containers, as opposed to appearing as a pickup.
* The effect will also be triggered when the floor is reset (for example, with Forget Me Now).
* Since the Eternal Heart is added at the beginning of the next floor, moving from one floor to the next with an Eternal Heart looted elsewhere will give you the additional heart container plus another Eternal Heart when the next floor starts.
* If held when playing as Keeper, blue flies will not be spawned instead of the eternal heart. This is because the Eternal Heart given by Maggy's Faith is directly added to Isaac's health, and not spawned as a pickup on the ground.

## Trivia

* Maggy's Faith is most likely a reference to Mary Magdalene's faith in Jesus. Mary was said to be one Jesus trusted most and she stayed with him past the abandonment of his disciples, as well as being the first person he showed himself to after his resurrection.
* "Faith's reward" may constitute a subversion of the adage "Faith is its own reward", although use of the word 'faith' in the game is conflicted, as it also used in the quote for the trinket "Rosary Bead", in reference to Angel Rooms.

## References

1. ↑ http://www.smithsonianmag.com/history/who-was-mary-magdalene-119565482/?no-ist
The Wafer

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**The Wafer** is a passive item.

## Effects

* All damage taken is reduced to half a heart.

## Notes

* The damage reduction includes every possible source in the game that would cause more than half a heart of damage:
	+ The player's bombs and other bombs.
	+ Champions.
	+ Sacrifice Rooms.
	+ Environmental hazards such as Spikes.
	+ Self-inflicting damage items: Sharp Plug, Blood Rights, Razor Blade, Kamikaze! and Breath Of Life.
	+ Every source of damage in The Womb/Utero and beyond, including all enemies, curse rooms, blood donation machines, and Devil Beggars.
	+ The "HARD HARD" special seed.
* The Wafer does not prevent death (even if the player has more than half a heart) by using the Suicide King card, or using the Bible on the Satan boss fight.
	+ It also cannot prevent health loss from Devil Room deals or Health Down pills.
* It will not work with Keeper as he cannot have half of a health coin.

## Trivia

* In the original Binding of Isaac, "resistance" in the pickup quote was misspelt as "*resistence*". This was corrected in Rebirth.
* A wafer is a thin cake made of flour, and is used in Christianity for various purposes, including the sacrament of the Eucharist, in which believers consume the body (represented by sacramental bread) and blood (represented by sacramental wine) of Jesus Christ.

## Seeds

Template:PlatPC AZSP HEP1 (Treasure Room adjacent to spawn) (normal mode only [?])Template:PlatPC NYLR X9XP (Treasure Room adjacent to spawn) (normal mode only)
Template:PlatPC RPQP M6EM (Treasure Room adjacent to spawn) (normal mode only)
Template:PlatPC 9DHR CZWH (Treasure Room, go up in spawn)
Template:PlatPS4 WFEP 7WQ8 (Treasure Room generated adjacent to spawn).
Template:PlatVita WPKJ T14L (First Treasure Room, right from starting point)
Template:PlatWiiU DSWY KN4H (Treasure Room adjacent to spawn; Black Candle in Curse Room also adjacent to spawn)
Template:PlatPC File:Afterbirth† Indicator.png 7N0B PBNY (Treasure Room adjacent to spawn) (Hard mode only)
Template:PlatPC J39E HB4T (Treasure Room Above Spawn)
Purity

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Purity** is a passive item.

## Effect

* Purity will boost one of Isaac's stats depending on the color of the aura around him:
	+ **Red**: +4 damage
	+ **Blue**: -4 tear delay
	+ **Yellow**: +0.5 speed
	+ **Orange**: +7.5 range, +1.0 tear height
* When Isaac takes damage, the aura will be removed. When the next room is entered, the aura will reappear with a random color.

## Notes

* The tear delay boost can allow the player's tears to go over the normal maximum rate of fire; see the tear delay explanation page.

## Seeds

Template:PlatPC File:DLC Indicator.png DKYP 0JFY (First floor treasure room)
Toxic Shock

{{:{{{1}}} | {{{1}}} | {{{2}}} }}
**Toxic Shock** is a passive item added in the *Binding of Isaac: Afterbirth* expansion.

## Effects

* Upon entering a room, all enemies are poisoned, dealing double Isaac's tear damage and also creating a green fog for the first few seconds of the room.
* Killing enemies leaves a small, short lasting pool of green creep on the ground.

## Notes

* High tear damage will cause this item to become very powerful for rooms with a lot of enemies, since they can die instantly and render the room harmless.
* Enemies which spawn after the first few seconds of each room are not affected by this item, e.g. Flies spawned from a Mulligan dying.
* The poison effect only activates upon entering a room and not at the start of a wave. In Boss Rush and most of Greed Mode, the item will not poison enemies.

## Trivia

* DLC+ Its sprite is a recolor of Contagion.

## Seeds

Template:PlatPC File:DLC Indicator.png MS6L 43MM (First Floor XL Treasure Room) (Hard Mode Only)
Template:PlatPC File:DLC Indicator.png 0DMW R92S (First Floor Treasure Room)
Template:PlatPC File:DLC Indicator.png 2FTP M2DY (Second Floor Treasure Room)
Template:PlatPC File:DLC Indicator.png E3ER VEGE (First floor treasure room) (Both modes)
Swallowed Penny

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Swallowed Penny** is a trinket.

## Effects

* Spawns a penny, nickel, or a dime upon taking damage, in a similar fashion as the Piggy Bank item.
	+ File:DLC Indicator.png Unlike Piggy Bank playing as Keeper this trinket always drops a coin, allowing semi-infinite life.
* Can be found by destroying urns & slot machines, in golden & silver chests, or after completing a room.

## Trivia

* This item is a reference to young children accidentally swallowing coins.
* Swallowed Penny is part of the group of penny-themed trinkets, including the Bloody Penny, Burnt Penny, Butt Penny, Counterfeit Penny, and Flat Penny.
Sacrificial Dagger

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Sacrificial Dagger** is an unlockable passive item.

## Effect

* Spawns a sideways dagger that orbits Isaac, deals high damage to enemies on contact, and blocks enemy shots.
	+ The knife deals 15 damage per tick.

## Trivia

* In the original *Binding of Isaac*, Sacrificial Dagger rotated upright, while in *Rebirth* it now orbits on its side.
* This item is used in Challenge #4 (Darkness Falls).

## Seeds

Template:PlatPC 99KW 09AC (treasure room adjacent to spawn)
Template:PlatVita O98E HJO7 (treasure room adjacent to spawn)
Virgo

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Virgo** is a passive Zodiac item.

## Effects

* Grants a chance to trigger the Book Of Shadows effect upon taking damage, creating a shield that nullifies all types of damage for 7 seconds.
	+ The activation chance depends on the Luck stat, and goes up to 100% with 10 Luck.
* Converts all *stat down* pills into *stat up* pills, *"Bad Trip"* into *"Balls of Steel"* and *"Amnesia"* into *"I Can See Forever"*, like PHD does, but does not identify any pill.

## Synergies

* Mom's Bottle of Pills: Generated pills are more beneficial.
* Safety Cap/Little Baggy: Beneficial pills can be found more often.

## Notes

* The shield negates health loss from Blood Donation Machines and Devil Beggars.
* Does not prevent heart container loss from Devil Room deals.
* The following pill types are neutral and do not have a "good" equivalent.
	+ "Hematemesis".
	+ "Explosive Diarrhea".
	+ "I found pills".
	+ "Paralysis".
	+ "R U A Wizard".
	+ "Telepills".
* Bad pills already obtained/dropped will be converted to their "good" counterpart too.

## Trivia

* This item, like the other Zodiac items, is a reference to Zodiac signs.

## Seeds

Template:PlatPC K0TA K2ZC (Treasure room adjacent to spawn)
Template:PlatPC QWNA GPLP (Treasure room adjacent to spawn)
Template:PlatPS4 6N2H LQ49 (Treasure room adjacent to spawn)
Template:PlatVita HEAJ 1T43 (Treasure room adjacent to spawn)

Template:ZodiacNav
The Pinking Shears

*Not to be confused with the Scissors.*
{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**The Pinking Shears** is an activated item.

## Effect

* Separates Isaac's head and body for the current room. Isaac's head, which now has flight, will be under the player's control, while his body will seek out enemies to attack by contact damage.

## Notes

* The speed and damage of the body familiar are independent of Isaac's stats. Its damage is among the highest of all familiars.
* If used multiple times on the same room (via battery pickups, for example), more instances of the body familiar can be spawned.
* Compared to the original game, where the Gusher sometimes walked aimlessly around the room, this version actively chases enemies.
* If another usable item is picked up while The Pinking Shears is in effect, the body will immediately de-spawn for the rest of the room.
* Using The Pinking Shears after picking up Guillotine or Transcendence results in the head revolving around a shadow, making Isaac's hitbox difficult to determine.
* The body familiar will avoid creep, and will consequently rarely damage enemies like Brains and Blighted Ovum that leave creep trails as they walk, instead opting to stand right next to them.

## Gallery

* Template:Plat3DS The icon of The Pinking Shears as seen on the lower 3DS screen

## Trivia

* In the original game, The Pinking Shears were unlocked by dying 100 times. In Rebirth, this unlocks The Scissors instead.
* Pinking shears are shears with a serrated blade, and are used for cutting canvas.

## Seeds

Template:PlatPC JXNE SACV (adjacent to spawn)
Template:PlatPC JC03 KEAV (adjacent to spawn)
Template:PlatVita FCE3 ZGTT (Treasure room 2 rooms above spawn point)
Spider Bite

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Spider Bite** is a passive item.

## Effect

* Adds a chance to shoot slowing tears, reducing speed of enemy movement and any projectile fired by them.

## Notes

* The slow duration is 2.5 seconds.
* The slow effect chance depends on the Luck stat, and goes up to 100% at 15 Luck.

## Seeds

Template:PlatPC C7QT SGJC (Treasure room adjacent to spawn)
Template:PlatPS4 BW8B CH33 (Treasure room adjacent to spawn)
Template:PlatVita F20M 8X2T (Treasure room adjacent to spawn)
Template:Plat3DS 0YPD YZ06 (First floor treasure room; Curse of the Blind)
The Compass

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**The Compass** is a passive item.

## Effects

* Reveals all special rooms on the map, excluding secret rooms and super secret rooms.
* The following rooms will be revealed if they exist:
	+ Boss Room
	+ Mini-Boss Room
	+ Treasure Room
	+ Shop
	+ Arcade
	+ Challenge Room
	+ Boss Challenge Room
	+ Curse Room
	+ Sacrifice Room
	+ Library
	+ Vault
	+ Dice Room
	+ Bedroom

## Notes

* The Compass will reveal if Greed is present by displaying a mini-boss icon with the shop icon. It might also reveal if Greed is present in the Secret Room, and thus, the location of the Secret Room itself.

## Synergies

* Treasure Map - Reveals entire map layout as well as locations.
* Blue Map - Reveals all Special Room locations, including Secret and Super Secret Rooms.

## Trivia

* The compass icon is the same from the first Legend of Zelda game.
* This item is used in Challenge #10 (Cursed!).
Mr. Boom

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Mr. Boom** is an activated item.

## Effect

Upon activation, Mr. Boom will summon a large bomb, similar to ones produced by Mr. Mega. It has greater damage and blast radius than a default bomb.

## Gallery

* Template:Plat3DS The Icon of Mr. Boom as seen on the lower 3DS screen

## Seeds

Template:PlatPS4 WVZ9 BE6A (First floor treasure room)
Template:PlatPC KHC7 MX6T (Treasure room adjacent to spawn)
Piggy Bank

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Piggy Bank** is a passive item.

## Effects

* Adds 3 coins on pickup.
* When Isaac takes damage 1-2 coins will drop.
	+ When held by Keeper, it will drop 0-1 coins instead.

## Notes

* Unlike the coins dropped from being hit by a shot from a Keeper, Greed or Super Greed, the coins that are dropped from the piggy bank are not subtracted from Isaac's total.
* Can appear in the shop and the item room on the same floor, but picking up multiple copies of the item does not cause its effect to stack.

## Synergies

* Blood Donation Machine - Nets coins from both the Piggy Bank and the Blood Donation Machine, making them extra effective.
* Bloody Penny - Adds a chance to recover lost health and can be used in combination with Blood Donation Machines to gain even more money.
* Counterfeit Penny - More chances for Counterfeit Penny's effect to activate.
* Humbling Bundle - Gives you twice as many coins per activation. The Humbling Bundle also turns full Heart drops into 2 Hearts, greatly increasing the amount of money that you can gain from damage.
* Placenta - Can be used to extremely slowly gain an infinite amount of coins, given a source of environmental damage.
* Pyromaniac - Like the Placenta, can be used to gain an infinite amount of coins, but works best with an enemy/boss that causes explosions, such as Pestilence.
* Scapular-Entering and exiting the curse room allows Isaac to gain a virtually infinite amount of coins.
* Swallowed Penny - Grants more coins upon taking damage.

## Trivia

* This item might be a reference to the similar item in Risk Of Rain called Life Savings, as suggested by its description.

## Seeds

Template:PlatPS4Template:PlatVita 1ZQ6 398F (adjacent to spawn)
Template:PlatPC AA0T WMW9 (treasure room adjacent to spawn)
Template:PlatPC 8F84 7ZNP (treasure room adjacent to spawn)
Template:PlatPC VHY9 JNP3 (treasure room adjacent to spawn) (normal mode only)
Match Stick

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Match Stick** is a trinket. Sometimes drops from TNT barrels or Fortune Telling Machines.

## Effects

* Increases the chance of bombs dropping after clearing a room.
* Increases the chance of finding bombs when opening a chest.

## Notes

* File:DLC Indicator.png Match Stick is the only trinket able to replace the Tick.
	+ This does not work if Isaac has Mom's Purse.

## Trivia

* The pickup quote is a reference to The Simpsons.
* This item is used in Challenge #9 (Demo Man).
* The Match Stick being able to replace The Tick in *Afterbirth* is a reference to a common remedy in removing a tick from one's skin, which is putting a flame beside it until the tick disengages.
NO!

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**NO!** is a trinket.

## Effect

* Removes Activated Collectibles from all item pools while this trinket is being held.

## Notes

* Activated items will start appearing again once the pool of non-activated items is exhausted.
* The game can end up generating Breakfast if its attempts to reroll active items for a non-active one fail.
* When the trinket is dropped, the item generation mechanics go back to normal, and active items will be generated normally again.
* Has no effect on Libraries.
* Has no effect on Blood Donation Machine (IV Bag) and Fortune Teller (Crystal Ball).
* These boss drops are forced and are not affected by **NO!**:
	+ Yum Heart from Super Lust
	+ Mr. Boom from Wrath
	+ Anarchist Cookbook from Pride
	+ Shoop Da Whoop! from Envy
	+ Bob's Rotten Head from Sloth
	+ The Pony and White Pony from Horsemen
	+ Krampus' Head from Krampus
The Pony

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**The Pony** is an activated item.

## Effect

* Passively grants flight.
* If Isaac's speed is less than 1.5, the item passively increases his speed to 1.5.
* When activated, Isaac charges in the direction the pony is facing, becoming invulnerable during the charge and damaging enemies.

## Notes

* The flight and potential speed added by The Pony will be removed if a new activated item is collected.

## Gallery

* Template:Plat3DS The icon of The Pony as seen on the lower 3DS screen

## Seeds

Template:PlatPC 07KA GXW6 (First floor boss)
Stigmata

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Stigmata** is a passive item.

## Effect

* Grants one full heart container.
* +0.3 Damage up.

## Trivia

* "Stigmata" is a term used by Catholic priests to designate wounds, sores, etc. found at the same locations on the body as those Jesus sustained during his crucifixion (e.g. palms, feet).

## Seeds

Template:PlatPC 0SFD F1Q6 (Adjactent to starting starting room)
Template:PlatPS4 QLXB KVRV (Treasure room adjacent to spawn)
Template:PlatPS4/Template:PlatVita NQSE AZLA (adjacent to starting room)
Template:PlatPC File:DLC Indicator.png RF16 LWAS (treasure room adjacent to spawn) (both modes)
Undefined

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Undefined** is an unlockable activated item.

## Effects

* Upon use, teleports Isaac to the Treasure Room, the Secret Room, the Super Secret Room, I AM ERROR or Black Market (very low chance).

## Gallery

* Template:Plat3DS The icon of Undefined as seen on the lower 3DS screen

## Strategies

* The I AM ERROR room in Cathedral and Sheol will have a beam of light/trap door leading to the next floor, even if Isaac doesn't have Polaroid or The Negative.
* The Chest and Dark Room are reset on exiting the I AM ERROR room, which can be done repeatedly as long as the player is able to gather enough charges to successfully warp to it. This can provide a ridiculous number of items from the golden chests in The Chest.
	+ This makes it possible to kill ??? or Lamb multiple times. If Isaac has an item that resurrects him as a different character, multiple achievements and items can be unlocked in a single run.
	+ File:Afterbirth† Indicator.png The Void is also reset and can be cleared repeatedly.
* File:DLC Indicator.png As there are no I AM ERROR rooms in The Chest, the Dark Room and Ultra Greed in Afterbirth, these floors cannot be cleared repeatedly.

## Seeds

Template:PlatPC TRP0 FE16 (first treasure room, adjacent to spawn)
Template:PlatPC 9YDH V6SL (first treasure room, adjacent to spawn)
Template:PlatPC F189 W42E (first treasure room, adjacent to spawn. Teleports to I AM ERROR room upon first use in hard mode.)
Template:PlatPC 0JGY 6ZWX (first treasure room near spawn)
Template:PlatPC W0WZ QCRJ (first treasure room, adjacent to spawn)
Template:PlatPC 6AGC GCCH (first treasure room, adjacent to spawn)
Template:PlatPS4 SJKJ XZB2 (first treasure room, adjacent to spawn)
Template:PlatVita 4CG9 42ED (first treasure room, adjacent to spawn)
Template:Plat3DS 8LQF 7MT0 (first floor treasure room)

## Trivia

* The item is a reference to a bug in the original *The Binding of Isaac*, where exhausting an Item Pool (or rarely simply by chance) would cause an undefined item to spawn.
* In programming "Undefined" refers to an unknown value.
* Given the Glitch theme of the item and the ability to access Chapters that have not yet been unlocked using I AM ERROR, along with the ability to acquire mass upgrades in The Chest and The Dark Room, it is possible that it was intentionally made into a powerful sequence-breaking item.
* The sprite for Undefined appears to be, fittingly, a glitched and spliced version of other item sprites, noticeably the bottom right part being the Compass, the bottom left being the Blood Bag, and the top half being Contract From Below.
* Once all the items have been exhausted in a reset Chest run, chests will only drop Breakfast HP upgrades.
Mutant Spider

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Mutant Spider** is a Special passive item.

## Effect

* Isaac fires a spread of four tears at once.
* Tears down: (Delay \* 2.1) + 3

## Synergies

* Brimstone: Isaac fires four lasers at once at the cost of a severely increased charge time.
* Dr. Fetus: Four bombs are thrown at once.
* The Wiz: Gives both eyes triple shot, flying diagonally.
* Epic Fetus: Replaces the single missile strike with a barrage of four consecutive missiles.
* Ipecac: Four projectiles are fired at once at a lower tear rate.
* Mom's Knife: Isaac still holds one knife, but firing shoots four knives at once.
* Polyphemus: Tears down do not stack, increasing DPS.
* Technology: Isaac fires four lasers at once.
* Technology 2: Isaac can still fire four tears at once whilst gaining the laser, although with a lower fire rate.
* The Ludovico Technique: The Ludovico tear gains three orbiting tears.
* Doctor's Remote: Shoots barrage of four missiles when used.
* File:DLC Indicator.png 20/20: Shoots 6 tears with no further decrease in fire rate.
* File:DLC Indicator.png The Inner Eye: Shoots 7 tears instead of 4.
* File:DLC Indicator.png Diplopia: Picking Mutant Spider 2 times stacks the effects, resulting in 8 projectiles being shot, and no further decrease in fire rate.
* File:DLC Indicator.png Keeper: Shoots 7 tears at once, fire rate greatly decreased.

## Seeds

Template:PlatPC AZ6W Y26Y (Treasure room adjacent to spawn)
Template:PlatPC TJXE 4V96 (Treasure room adjacent to spawn)
Template:PlatPC GFZN B8DP (First floor treasure room)
Template:PlatPCFile:DLC Indicator.png 007A C1TS (Treasure room adjacent to spawn)
Template:PlatPCFile:DLC Indicator.png BX4E YVR0 (Treasure room adjacent to spawn) (Both modes)
Template:PlatPCFile:DLC Indicator.png 46XR GGB4 (Treasure room adjacent to spawn)
Template:PlatPS4 BPJS S7WT (Treasure room adjacent to spawn)
Template:PlatPS4 GALT H2PG (Treasure room adjacent to spawn)
Template:PlatVita S37R YZKY (First floor treasure room)
Template:Plat3DS MYNT 04LF (Treasure room adjacent to spawn)
Template:Plat3DS HW2X X7V4 (Treasure room adjacent to spawn)
The Body

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**The Body** is a secret unlockable passive item.

## Seeds

Template:PlatPC 7TWA-YHPC (Treasure Room adjacent to spawn)
Template:PlatPC HG1S 97W2 (Treasure Room adjacent to spawn)
Template:PlatPC MT7G-HHXC (Treasure Room adjacent to spawn)
Template:PlatPC ACXV 1DQ7 (Treasure Room adjacent to spawn)
Template:PlatPC K6LX SQZ9 (First floor treasure room)
Template:PlatPS4 GG2A MXYE (Treasure Room adjacent to spawn)
Template:Plat3DS 8V8G 8479 (First floor treasure room)
Mysterious Paper

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Mysterious Paper** is a trinket which looks like a piece of blank paper.

## Effects

* Upon hit, has a small chance to activate the Missing Page effect. (Probably the same chance as the Missing Page itself)
* Upon taking damage at one half red heart or less, there is a moderately common chance to trigger the effects of either The Polaroid or The Negative.
* Small chance to take the player to the Chest without The Polaroid or the Dark Room without The Negative.
* Small chance to display a puzzle piece on Isaac's Last Will in the same way as the Missing Poster.
* File:DLC Indicator.png Small chance to revive Isaac as The Lost upon death in the same way as the Missing Poster.

## Notes

* It seems that the Mysterious Paper randomly imitates the effect of a paper item when appropriate. Unlike the 3 Dollar Bill, the Mysterious Paper does not choose which effect it will have in the current room. Rather, it seems to randomly decide whether a particular effect will activate when relevant. It is theoretically possible that the Mysterious Paper can also sometimes provide the effects of Bogo Bombs, Humbling Bundle, Contract From Below, Bible Tract, and Store Credit, though this has yet to be proven true.
The Small Rock

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**The Small Rock** is an unlockable passive item.

## Effect

* +1 Damage up.
* -0.2 Speed down.
* +0.2 Tears up.

## Notes

* File:Afterbirth† Indicator.png With Afterbirth †, the speed and tears changes will take effect immediately; without it, they will not immediately change until Isaac's speed or tears stats are updated the next time.
* The rock normally only appears once per run but can appear again if Isaac's items are re-rolled with the D4, D100, or a Dice Room.
* The rock may also appear twice in the same floor if the player does not pick it up the first time encountered, and then bombs another rock to get it again. However, the item effect will not stack and it will register that the player has only picked it up once.

## Trivia

* This item could be a reference to the Bible: John 8:7 as it says: "Let he who is without sin cast the first stone[...]".
	+ It could also be a reference to the Biblical story of David and Goliath, as David lobbed a small rock at Goliath's forehead (hence the item location on Isaac), instantly killing him.
* In the original Binding of Isaac, the player's tears would take on a grey color after Small Rock has been picked up. In Rebirth, however, the tears will be red.
* This item is used in Challenge #3 (Head Trauma).

## Seeds

Template:PlatPC 3V10 RC7Y (The Tinted Rock in room above spawn) Template:HardMode
Template:PlatVita X830 RRFL (The Tinted Rock in the room below)
Template:Plat3DS F4GJ 7ZHK (The Tinted Rock in the room before the boss room) Template:NormalMode
Template:PlatWiiU SFE6 QGF9 (Tinted Rock to left of spawn)
My Little Unicorn

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**My Little Unicorn** is an activated item.

## Effects

* Upon use grants invulnerability and increased speed for six seconds, removing the ability to shoot tears and instead dealing contact damage to enemies.

## Notes

* The invulnerability effect negates all forms of damage, including health loss from Blood Donation Machines and Devil Beggars.
* Does not prevent heart container loss from Health Down Pills or Devil Room deals.
* Ending the current run via opening the end chest while My Little Unicorn is active will cause the credits and main menu music to be sped up. The effect ends upon restarting the game, or starting a new run.
* The Chariot card provides the effect of this item when used.

## Gallery

* Template:Plat3DS The icon of My Little Unicorn as seen on the lower 3DS screen

## Trivia

* The item is a reference to the show My Little Pony
* In the original Binding Of Isaac, using the item changed the music instead of speeding it up.

## Seeds

Template:PlatPC NYMW 989S (First floor adjacent Treasure Room)
Template:PlatPC 7EJT ZNWN (Treasure room in Basement I)
Template:Plat3DS XYCH AG1D (Treasure room adjacent to spawn)
Template:PlatPC File:DLC Indicator.png FWSH R8CF (Treasure room adjacent to spawn) (Hard mode only)
Template:PlatPC File:DLC Indicator.png FSMV XLCZ (Treasure room adjacent to spawn) (Both modes)
Tear Detonator

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Tear Detonator** is an activated item added in Afterbirth.

## Effect

* Once activated, all tears in the air split into 6 tears, similar to the Tammy's Head effect.

## Synergies

* 9 Volt:The item will recharge over time, allowing it to be used multiple times per room.
* Anti-Gravity: All tears currently floating in the air will be multiplied, resulting in a massive amount of tears.
* Car Battery: Multiplies the tears, effectively creating dozens of tears.
	+ Car Battery + Explosivo: Once attached, the tears multiply and attach, resulting in many explosives on all of the enemies in the room.
* Continuum: The tears will explode into six tears which travel through walls.
* Fruit Cake: All of the split tears will have random effects.
* Ipecac: All tears will split into 6 explosive tears, making it very powerful and dangerous (unless Isaac has Host Hat or Pyromaniac).
* Incubus: Incubus's tears will explode into six tears.
* Spoon Bender: Tears will explode into six homing tears, making them more likely to hit enemies.
* Sad Bombs: Bomb tears are multiplied.
* The Battery: Similar to the Car Battery synergy, though it must be manually triggered.
* Monstro's Lung: Multiplies all released tears in the burst.
* Papa Fly: Papa Fly's tear will explode into six tears.
* The Ludovico Technique: The tear explodes into six smaller tears, then reappears next to the player.

## Interactions

* Mom's Knife: No effect; Tear Detonator becomes useless.
* Technology 2: No effect; Tear Detonator becomes useless.
* Azazel: No effect; Tear Detonator becomes useless.
* Brimstone: No effect; Tear Detonator becomes useless.
* Tech X: No effect; Tear Detonator becomes useless.
* Dr Fetus: No effect; Tear Detonator becomes useless.
* Blindfolded: No effect; Tear Detonator becomes useless.
* The Parasite: Parasite split tears will split also into 6 additional tears.
Razor Blade

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Razor Blade** is an unlockable activated item.

## Effect

* Upon use deals one heart damage and grants +1.2 damage for the current room.

## Notes

* File:DLC Indicator.png Eve starts with this item after unlocking it and donating 439 coins to the Greed Machine.
	+ Both conditions must be met in order for Eve to hold it; donating 439 coins before defeating Satan with Eve will wrongfully state on Eve's profile on the Character Selection Screen that she has it equipped.
* This item effect stacks with itself and Red Patch which provides a similar benefit.
* Like similar items such as Blood Rights or Blood Donation Machines, red hearts are removed before soul or black hearts, meaning you can still use it having a single red heart container and soul hearts. This also means that players should avoid using this item if they plan on keeping an eternal heart, as activating the item will remove it as well.
	+ Like similar items mentioned above, use of this item does not affect Devil or Angel room chances.
* Using this item as The Lost will result in death.
* When picked up Isaac's tears turn red, though this change is purely cosmetic.

## Synergies

* Isaac's Heart: Isaac cannot take damage from the Razor Blade, allowing for infinite uses of the item.
* The Wafer: Isaac loses half a heart instead of a full heart.
* The Polaroid: Isaac takes no damage while invincible, allowing for repeated free uses of the item.
* Whore of Babylon: The Razor Blade can be used to activate this item's effect by doing enough damage to get Isaac down to half a red heart (or one red heart as Eve), providing a big damage boost for the current room.

## Trivia

* This item is used in Challenge #4 (Darkness Falls).
* The item itself is a reference to the act of cutting one's self, usually at the wrists, in order to inflict self harm or to commit suicide by loss of blood.

## Gallery

* Template:Plat3DS The icon of Razor Blade as seen on the lower 3DS screen
Mom's Razor

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Mom's Razor** is a passive item added in Afterbirth †.

## Effects

* Grants a razor familiar that orbits Isaac.
	+ Enemies that touch the razor are dealt damage equal to 20% of Isaac's tear damage and start to bleed.
	+ Bleeding enemies take damage equal to 10% of their maximum health every 5 seconds.
	+ Bosses cannot bleed and won't take any damage from the razor.
	+ The razor does not block enemy shots.
* Template:Yes Mother
Odd Mushroom (Thin)

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Odd Mushroom (Thin)** is a passive item.

## Effects

* +1.7 Tears.
* +0.3 Speed.
* Reduces damage using the following formula: (Damage Ups from other items \* 0.9) - 0.4.
* Template:Fun Guy

## Notes

* This item affects damage differently than other items in the game: instead of multiplying your damage stat, it directly alters the Damage Up total from other items before the main damage formula happens. In practice, this means this item reduces your damage significantly if you have no Damage Up effects (x0.72), but won't have as strong of an impact the more Damage Ups you have.

## Seeds

Template:PlatPC PCWA 8BO8 (Treasure room adjacent to spawn)
Template:Plat3DS XM4Q B8Y3 (Treasure room adjacent to spawn)
Pentagram

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Pentagram** is a passive item.

## Effects

* +1 Damage.
* Increases chance for a Devil / Angel Room Door to open when a floor Boss is killed.
* Template:Leviathan

## Trivia

* This item is used in Challenge #4 (Darkness Falls).

## Seeds

Template:PlatPC YLCJ EDAQ (curse room adjacent to spawn)
Template:PlatPC BKFS AT89 (curse room adjacent to spawn)
Template:PlatPC TRDB 2JJ7 (curse room adjacent to spawn, hardmode)
Template:PlatPC 37E7 N7ZG (curse room above spawn)
Template:PlatPC KB9P Q3YS (first floor boss drop)
Template:PlatPC File:DLC Indicator.png K0RZ 82E0 (Curse Room adjacent to spawn, guarded by spiders)
Template:PlatPC File:DLC Indicator.png 8DR4 LAA7 (First floor's curse room, guarded by spiders)
Template:PlatVita VV17 DYJJ (curse room adjacent to spawn)
The Ladder

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**The Ladder** is a passive item.

## Effects

* Allows Isaac to walk across gaps one square across by automatically placing a ladder between the two walkable sections. Enemies can not walk over the ladder.

## Trivia

* This item is a reference to the Ladder in The Legend of Zelda for the NES.
* File:DLC Indicator.png This item is used in Challenge #26 (I RULE!).
Pyro

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Pyro** is a passive item.

## Synergies

* D4/D100 - Pyro can be rerolled into another item without losing the 99 bombs.
* Pyromaniac - Allows Isaac to easily replenish red hearts.
* Any bomb modifying effect - Allows Isaac to make full use of all kinds of bomb effects without having to worry about running out of bombs.

## Trivia

* This item is used in Challenge #13 (Beans!).

## Seeds

Template:PlatPC ALFA 0NTS (treasure room adjacent to spawn)
Template:PlatPS4 FDRG 0CTE (treasure room on first floor)
Template:PlatPC H9RA 81ZG (treasure room adjacent to spawn)File:DLC Indicator.png
Template:PlatXbox VKR8 DGVZ (treasure room south of spawn)
The Nail

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**The Nail** is an unlockable activated item.

## Effect

* Adds one Soul Heart upon use.
* Gives the player +0.7 damage, -0.18 speed, and the ability to destroy rocks by colliding with them for the current room.
* Allows Isaac to deal contact damage to enemies for the current room. Does not prevent Isaac from taking contact damage.
* Template:Leviathan

## Notes

* Isaac makes a demon sound when taking damage while this item is in use. This is quieter than Isaac's standard damage sound and is easy to miss.

## Gallery

* Template:Plat3DS The icon of The Nail as seen on the lower 3DS screen

## Trivia

* This item may be a reference to one of the nails used to crucify Jesus.
The Halo

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**The Halo** is an unlockable passive item.

## Effects

* +1 Heart Container
* +0.3 Damage
* +0.2 Tears
* +0.25 Range
* +0.3 Speed
* +0.5 Tear Height
* Template:Seraphim

## Seeds

Template:PlatPC Z1DR YWL3 (Treasure room adjacent to spawn) Template:BothModes
Template:PlatPC 9BTY PDQ7 (Treasure room adjacent to spawn) Template:NormalMode
Template:PlatPC 0XEA KJ4K (First floor treasure room, Magic Mushroom from Larry Jr.; Curse of the Blind) Template:BothModes
Template:Plat3DS DWP4 RMRF (First floor treasure room)
Template:PlatPC File:DLC Indicator.png AGAR LTMH (Treasure room adjacent to spawn)
Ring Worm

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Ring Worm** is a trinket.

## Effects

* Isaac's tears travel in a high-speed spiral pattern.

## Notes

* The tear pattern slightly increases Isaac's effective range.

## Interactions

* Brimstone: No effect.
* Mom's Knife: No effect.
* Monstro's Lung: Tears spin as a cluster, making it difficult to hit enemies.
* Technology: No effect.
* Tiny Planet: Tears spin uncontrollably fast, making it incredibly difficult to aim.
* Dead Onion: Tears move very fast, negating the slow speed and poor range.
* The Ludovico Technique: The tear moves uncontrollably, making it rather difficult to hit enemies.

## Trivia

* The shot pattern might be a reference to NES Uncle Fester's Quest power-up.
* Ring worm is a fungal infection very common in children and adolescents. It involves scaly rings on the skin of the scalp, chest, arms, stomach and other places. It gets its name not from being caused by a worm, but from its ringed pattern the infection causes.

## References

1. ↑ http://www.nlm.nih.gov/medlineplus/ency/article/001439.htm/
The Book of Sin

{{:{{{1}}} | {{{1}}} | {{{2}}} }}
**The Book of Sin** is an unlockable activated item.

## Effect

* Spawns a random heart, coin, bomb, key, battery, pill, or card/rune.
	+ Hearts can be either red hearts, soul hearts, or black hearts.
	+ Coins can be either pennies, nickels, or dimes.
	+ Bomb drops will always be in singles. (It is not possible to get the "1+1" bomb pickup.)
	+ Key drops will always be in singles. (It is not possible to get the "Key Ring" pickup.)
* Each pickup seems to be equally likely, which means that there is around a 1/7 chance to get a particular type of pickup.

## Gallery

* Template:Plat3DS The icon of The Book of Sin as seen on the lower 3DS screen.

## Seeds

Template:PlatPC Template:HardMode 2YN8 JS3R (Treasure room adjacent to spawn)
Template:PlatPC LP12 WXZ1 (Treasure room adjacent to spawn)
Template:PlatPC K6RC 1P0T (Treasure room adjacent to spawn)
Template:PlatPS4 1V4Q HMXN (Treasure room adjacent to spawn)
Template:PlatVita W4YY DXT4
Template:Plat3DS ZRQY 1Y70 (First floor treasure room)

fr:The Book of Sin
Punching Bag

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Punching Bag** is a passive item.

## Effect

* Spawns a Mulligan familiar that walks around the room and acts as a decoy for monsters.
* If the monsters are closer to the decoy than Isaac, they will attack the decoy.
* Punching Bag will also block enemy shots.
* File:DLC Indicator.png Punching Bag will die after taking too much damage and then respawn after a long period of time. Exiting and continuing the run will cause it to reappear right away.

## Notes

* It is not predictable whether enemies will attack the Punching bag or Isaac, so it is still advised to treat every attack as if it were aimed at Isaac.
* File:DLC Indicator.png The Punching Bag will die instantly by enemies' beam-type attacks, such as Brimstone or by Uriel's and Gabriel's beam. This also includes enemies' Technology lasers such as Eye and Camillo Jr.

## Interactions

* Box Of Friends: Adds another Punching Bag. This may cause enemies to become unpredictable, so use with caution.
	+ If the Punching Bag has died, it can be forced to respawn with a double upon using the Box of Friends.

## Trivia

* File:DLC Indicator.png This item is used in Challenge #30 (The Guardian).

## Seeds

Template:PlatPC ZSKB AK2X (Treasure room adjacent to spawn)
Template:PlatPC PCJC AYQ4 (Treasure room adjacent to spawn)
Template:PlatPS4 9RQG PZ1J (Treasure room adjacent to spawn) (Hard mode only)
Template:PlatVita VZW2 R83K (First floor treasure room; is above spawn)
Template:PlatVita 24MY SBE3 (Treasure room adjacent to spawn)
Template:Plat3DS 170B 2SBH (Treasure room adjacent to spawn)
Sharp Straw

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Sharp Straw** is an active item added in Afterbirth †.

## Effects

* Damages all enemies in the room.
	+ The damage dealt is equal to Isaac's current tear damage plus 10% of the enemy's max health.
* Has a chance to drop half red or soul hearts when it damages an enemy.

## Notes

* When used on Delirium, damage is calculated using the maximum health of the current boss it's mimicking. This item should be used when it isn't transformed to deal the most damage.

## Synergies

* 9 Volt: Item starts at half charge after use, allowing more rapid usage.
* Car Battery: Damage is doubled.
* The Battery: Item gets two charges, allowing immediate double usage.
Smelter

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Smelter** is an activated item added in Afterbirth †.

## Effect

* Upon use, any trinkets that the player is holding are destroyed, and their effects are permanently applied to the player.

## Notes

* While held, Mom's Box will double the effect of all absorbed trinkets (if their effects can be doubled).
* This item is able to remove the Tick.
* Trinkets whose effects only activate once such as Store Credit, Missing Poster, and Walnut will still only activate once after being absorbed.
* If a trinket has been smelted, it won't appear a second time, unless the entire trinket pool is exhausted or you start a victory lap. A copy of a previously smelted trinket cannot be picked up.

## In-game Footage

fr:Smelter
Match Book

{{:{{{1}}} | {{{1}}} | {{{2}}} }}

**Match Book** is a passive item.

## Effect

* Spawns two or three bomb pickups near Isaac.
* Grants Isaac one Black Heart.

## Notes

* It's advised to pay attention when picking up this item, as it may spawn troll bombs.
* Presumably the bomb equivalent to Latch Key.

## Seed

Template:PlatPC OS33 XKT2 (First floor boss) (Both modes)