Siamese

All your friends in one!

## Unlock Method

Defeat Everything as Lilith

**Siamese** is an unlockable passive item.

## Effects

* When obtained, removes all of Isaac's familiars and grants a special Siamese familiar.
* The Siamese familiar has all the effects and stats of the familiars removed, combined.
* Future familiars gained are instantly removed, with their effects given to Siamese.
* If Isaac has no familiars prior to picking Siamese up, it will have the effects of either File:Brotherbobby.png Brother Bobby, File:Sistermaggy.png Sister Maggy, File:Rottenbaby.png Rotten Baby, or File:Littlesteven.png Little Steven.

## Notes

* There is no limit to the amount of effects and stats Siamese can gain from familiars.
* Siamese cannot be removed with File:Sacrificialaltar.png Sacrificial Altar
* Siamese cannot copy any temporary familiars, nor will they be removed if Isaac has Siamese.

## Synergies

### Familiar Effects

* File:Brotherbobby.png Brother Bobby - Slightly increases the fire rate of Siamese.
* File:Distantadmiration.png Distant Admiration - Siamese now deals contact damage to enemies.
* File:Sistermaggy.png Sister Maggy - Slightly increases the damage Siamese's tears deal.
* File:Sackofpennies.png Sack of Pennies - Siamese will produce a random coin every 2 rooms.
* File:Robo-baby.png Robo-Baby - Replaces the tears Siamese fires with infinite range piercing lasers, similar to File:Technology.png Technology.
* File:Littlechad.png Little C.H.A.D. - Siamese will produce half a red heart every 3 rooms.
* File:Rottenbaby.png Rotten Baby - Siamese will produce a blue fly every time it fires a projectile.
	+ Like Rotten Baby, only three blue flies can be made by Siamese at a time.
	+ If Siamese cannot fire tears, it will passively produce them when Isaac is firing, just like Rotten Baby.
* File:Therelic.png The Relic - Siamese will produce a Soul Heart every 6 - 8 rooms.
* File:Littlegish.png Little Gish - Projectiles fired by Siamese grant enemies slowing.
* File:Littlesteven.png Little Steven - Projectiles fired by Siamese have homing.
* File:Demonbaby.png Demon Baby - Alongside its regular tears, Siamese will automatically fire tears at nearby enemies if they come close.
	+ The tears do not copy Siamese's current tear effects, and deal 3 damage each, with 3 tears fired a second.
* File:Bombbag.png Bomb Bag - Siamese will produce a random bomb every 2 rooms.
* File:Bumfriend.png Bum Friend - Siamese is capable of collecting coins when Isaac is idle, giving out rewards when collecting enough.
	+ The rewards given will be the same as the regular Bum Friend's rewards
* File:Ghostbaby.png Ghost Baby - Siamese's tears are now spectral.
* File:Rainbowbaby.png Rainbow Baby - Siamese's tears are inflicted with random effects, and can inflict random status effects onto enemies.
* File:Holywater.png Holy Water - Siamese's tears have a chance to leave behind a blue pool of creep that petrify enemies.
* File:Abel.png Abel - Siamese is now mirrored from Isaac's position and fires tears towards him. Additionally, the tears gain spectral properties, and Siamese can open chests and grab pick-ups.
* File:Headlessbaby.png Headless Baby - Siamese leaves behind red creep that damages enemies. When Isaac is firing, Siamese also emits low-range lobbed blood shots around itself taht leave small pools of red creep.
	+ These shots don't copy Siamese's tear effects.
* File:Bobsbrain.png Bob's Brain - Siamese periodically leaves behind green creep that damages enemies. Siamese will also explode on contact with enemies, poisoning them and disappearing temporarily, leaving behind a large pool of green creep.
	+ Siamese will return after a few seconds
	+ The explosion can hurt Isaac.
* File:Darkbum.png Dark Bum - Siamese is capable of collecting red hearts when Isaac is idle, giving out rewards when collecting enough.
	+ The rewards given will be the same as the regular Dark Bum's rewards
* File:Punchingbag.png Punching Bag - Siamese will be targeted by other enemies if it is closer to them than Isaac.
	+ Siamese cannot be destroyed when copying Punching Bag.
* File:Gemini.png Gemini - Siamese now has a familiar connected to it via a cord that chases enemies near it, dealing 3 damage a second.
* File:Incubus.png Incubus - Siamese now copies all the tear effects and stats as Isaac, dealing 65% of his damage.
	+ Lilith's starting Incubus can be replaced by Siamese, in which it will deal 100% of her damage.
* File:Lilgurdy.png Lil Gurdy - Siamese will begin charging up while firing projectiles. Once Isaac stops firing, Siamese launches forward, damaging enemies and bouncing off of enemies and the environment until stopping.
* File:Keybum.png Key Bum - Siamese is capable of collecting keys when Isaac is idle, giving out rewards when collecting enough.
	+ The rewards given will be the same as the regular Key Bum's rewards
* File:Runebag.png Rune Bag - Siamese will produce a random rune every 6 - 8 rooms.
* File:Seraphim.png Seraphim - Siamese's tears deal increased damage and have homing properties.
* File:Kingbaby.png King Baby - Siamese freezes in place when Isaac fires tears, emitting a small damaging aura and automatically firing tears to the enemy closest to Siamese.
* File:Lildelirium.png Lil Delirium - Siamese will randomly mimic the effect of another familiar every room.
* File:Lilspewer.png Lil Spewer - Siamese can charge up and fire a line of green creep independent from its regular tears.
	+ Taking pills does not change the type of creep Siamese makes.
* File:Psyfly.png Psy Fly - Siamese will float towards and block projectiles that come near Isaac, as well as deal contact damage to enemies and turn enemy flies into blue flies.
	+ Siamese is slightly slower compared to a regular Psy Fly.
* File:Fruityplum.png Fruity Plum - Siamese will periodically fire a line of tears diagonally while firing, independent from its regular shots, dealing 2 damage each and copying its tear effects.
	+ Siamese will not move diagonally while firing these small tears.
* File:Cubebaby.png Cube Baby - Siamese can block shots, and its projectiles can inflict chill.
* File:Babymama.png Baby Mama - Siamese will throw a small knife towards the closest enemy alongside its regular tears.
* File:Lilchompy.png Lil Chompy - If an enemy comes to close to Siamese, it will eat and instantly kill it, having it go on cooldown for a few seconds.
	+ Siamese will not burp after eating an enemy.
* File:Minisau.png Minisau - Siamese's tears can inflict burn and have a chance to explode on contact.
* File:Goldie.png Goldie - Alongside tears, Siamese launches fish airstrikes to the nearest enemy.
	+ These airstrikes deal splash damage and push enemies back, with damage that scales with Siamese's current strength.
* File:Pegafawn.png Pegafawn - Siamese's tears can pierce through enemies and push them back
* File:Microfriend.png Micro Friend - Siamese will periodically go idle to suck in enemies, dealing contact damage that scales with how close enemies are to it.
* File:Zoomba.png Zoomba - Siamese will automatically clean up any creep it goes over, as well as fear nearby enemies.
* File:Littlebob.png Little Bob - Siamese's tears are now lobbed, exploding on contact to damage and poison enemies.
	+ The explosions can hurt Isaac.
* File:Viviparousdumpling.png Viviparous Dumpling - Alongside firing tears, Siamese will fire thin pink Brimstone lasers at nearby enemies.
	+ Siamese cannot level down even if it can block shots.
* File:Superisaacfan.png Super Isaac Fan - Siamese will now loosely chase after enemies and automatically fire at them, periodically placing a bomb near them.
* File:Blastbuddy.png Blast Buddy - Siamese periodically drops a bomb while firing tears.
* File:Princesspeash.png Princess Peash - Siamese has a bigger hitbox and deals contact damage.
* File:Macabre.png Macabrea - Siamese is capable of collecting Soul Hearts when Isaac is idle, giving out rewards when collecting enough.
	+ The rewards given will be the same as the regular Macabre's rewards
* File:Austy.png Austy - Siamese will perform a spin attack that pushes back enemies in addition to his tears.
* File:Signofthedog.png Sign of the Dog - Siamese will deal more damage to enemies that are baited.
	+ Isaac will still be able to fire bone tears.
* File:Balloftumors.png Ball of Tumors - Siamese is able to block shots. After blocking enough, it creates the 2 small bouncing tumor familiars, separate from Siamese.
	+ Siamese can still block shots with the 2 tumors out, but only one pair can be out per room.
* Hatchling - In addition to tears, Siamese will fire a short range stream of flames periodically.
* File:Demonicviviparity.png Demonic Viviparity - Siamese will leave behind red creep and deal heavy contact damage at all times.
* File:Hobgoblin.png Hobgoblin - Siamese is capable of collecting pick-ups,giving out rewards when collecting enough.
	+ The rewards given will be the same as the regular Hobgoblin's rewards
* File:Frostyflake.png Frosty Flake - Siamese emits a blue aura that chills enemies within.
* File:Infantmother.png Infant Mother - Siamese can block shots and can occasionally fire a wavy pattern of projectiles towards nearby enemies.
* File:Petrock.png Pet Rock - Siamese constantly fires tears in the direction Isaac is facing, independent from the tears it fires when Isaac is firing.
* File:Spongeboy.png Spongeboy - Siamese can block shots. After collecting enough, it will burst and cause a shower of projectiles to rain down.
	+ Siamese will not disappear after this, but will go on cooldown without the ability to block shots for a few seconds.
* File:Theprince.png The Prince - Siamese can block shots, and has a 50% chance to spawn a blue fly upon doing so.
* File:Ophanim.png Ophanim - Siamese will fire a weak spread of 8 tears around itself in addition to its regular tears.
* File:Dreidel.png Dreidel - At the start of each room, Siamese will activate one of Dreidel's four effects.
* File:Superbum.png Super Bum - Siamese is capable of collecting coins, keys, and red hearts when Isaac is idle, giving out rewards when collecting enough.
	+ The rewards given will be the same as the regular Super Bum's rewards
* File:Robobabymk3.png Robo-baby mk 3 - Siamese emits a slowly expanding laser ring around itself when firing tears.

## Incompatible Familiars

The following familiars will not be consumed by Siamese, and thus Siamese will not gain any effects from them.

* File:Deadbird.png Dead Bird
* File:Spidermod.png Spider Mod
* File:Shade.png Shade
* File:Paschalcandle.png Paschal Candle
* File:Bloodoath.png Blood Oath
* File:Menorah.png Menorah
* File:Bulbfriend.png Bulb Friend
* File:Willowisps.png Willo Wisps
* Duplicates of Siamese
* File:Statueofunhealing.png Statue of Unhealing