Guppy Beelzebub DLC.png Super Bum DLC.png Yes Mother DLC.png Bob DLC.png Fun Guy DLC.png Leviathan DLC.png Conjoined DLC.png Spun DLC.png Seraphim DLC.png Oh Crap

套装Transformations) alter Isaac's appearance and grant him special abilities.

A Transformation occurs when obtaining at least three collectibles from a particular set of items.
These collectibles always share a particular theme that corresponds with the transformation.

Transformation sets

The Binding of Isaac: Rebirth

Transformation Appearance Transformation effect Item Icon Item effect Recharge
Beelzebub Beelzebub App.png
???'s Only FriendBlue Baby's Only Friend Icon.pngSummons a big attack fly that can be controlled with the shooting direction-keys.
美丽蝇BBF Icon.png产生一个在房间内飞行的苍蝇伙伴,与敌人接触时爆炸。在十秒后再次产生。
Best BudBest Bud Icon.png角色受到伤害后,产生一白色苍蝇跟班,环绕角色飞行并对敌人造成5点接触伤害。
Big FanBig Fan Icon.png产生一个大型围绕小跟班,阻挡敌方子弹并对敌人造成少量接触伤害。
Distant Admiration45x45pxA red attack fly circles further out than the Halo Of Flies/Pretty Flies, but closer than Forever Alone. Deals more damage than Forever Alone.
Forever Alone45x45pxSpawns a blue attack fly that orbits a long distance from Isaac.
Halo Of Flies45x45pxSpawns two pretty fly familiars that block enemy shots and deal contact damage to enemies.
Hive Mind45x45pxIncreases the size of Blue Spiders and Blue Flies and doubles the amount of damage they deal.
Skatole[[File:{{{image}}}_Icon.png|45x45px|class=pixelImage]]All types of fly except Boom Fly and Red Boom Fly become passive and slowly move towards Isaac. Does not prevent contact damage.
Smart Fly[[File:{{{image}}}_Icon.png|45x45px|class=pixelImage]]After Isaac takes damage, this fly will deal continuous touch damage to whatever enemy caused the damage until it is dead. The fly will then systematically attack 1 enemy at a time until the room is cleared.
The Mulligan[[File:{{{image}}}_Icon.png|45x45px|class=pixelImage]]Tears have a 1/6 chance of spawning allied blue flies when they hit an enemy.
Infestation45x45px1-3 Blue Flies randomly spawn every time Isaac gets hit.
Friend Zone45x45pxA white orbiting fly which deals 3 contact damage per tick to enemies. This familiar orbits Isaac at a middle length distance somewhere between Distant Admiration and Forever Alone.
Lost Fly45x45pxA familiar fly that moves in a straight line and attaches itself to the first obstacle or wall it comes into contact with in each room. If any enemies walk into its path, it will deal 7 contact damage per tick. If the obstacle it is attached to is destroyed then it will continue rolling in the direction it was previously travelling until it meets another wall or obstacle.
Papa Fly45x45pxA blue fly familiar follows Isaac's movements on a 3 second delay. Papa Fly will fire tears at nearby enemies.
Obsessed Fan45x45pxA purple fly familiar that follows Isaac's movements on a 3 second delay and deals contact damage to enemies.
Guppy! Guppy App.png
Guppy's Head45x45pxSpawns 2-4 Blue Flies to damage enemies.1
Guppy's Paw45x45pxRemoves one Heart Container in exchange for gaining 3 Soul Hearts.none
Dead Cat45x45pxSets the amount of red heart containers to 1, but gives Isaac 9 extra lives. After dying, Isaac is teleported to the last safe room. New heart containers can be obtained after picking up this item, but after each death, the number of heart containers is set to 1 again.
Guppy's Collar45x45px50% chance to respawn with 1/2 heart after death.
Guppy's Tail45x45pxIncreases chance of gold chests and normal chests.
Guppy's Hair Ball45x45pxLoosely follows behind Isaac. Can be swung like a flail by rapidly spinning Isaac in a circle. Grows bigger by killing enemies.

The Binding of Isaac: Afterbirth

Transformation Appearance Transformation effect Item Icon Item effect Recharge
Bob Bob Transformation.png
鲍勃的烂脑袋Bob's Rotten Head Icon.png使用时,角色举起一个带 炸弹,投掷时可对敌人造成四点基础伤害并爆炸。3
鲍勃的脑浆子Bob's Brain Icon.png产生一个随眼泪发射的小跟班,接触敌人时爆炸并使其中毒。几秒后再产生。
鲍勃的炸弹Bob's Curse Icon.png给予5个炸弹,角色持有的所有炸弹将带毒
Ipecac45x45pxReplaces tears with explosive and poisoning projectiles fired in an arc from the mouth.
Conjoined Baby Transformation.png
  • When attacking, the tumor faces shoot tears diagonally outwards, similar to the effect of The Wiz.
  • -0.3 damage.
  • Slightly decreases tears.
Brother BobbyBrother Bobby Icon.pngFollows Isaac around shooting normal tears.
Harlequin Baby45x45pxSpawns a familiar that follows Isaac around and fires two tears at once in a V-pattern.
Headless Baby45x45pxFamiliar that follows Isaac, leaving blood creep on the ground.
Little Steven45x45pxSpawns a familiar that follows Isaac around and fires homing tears.
Mongo Baby45x45pxSummons a familiar that copies the tears of Isaac's other familiars.
Rotten Baby45x45pxA familiar that spawns Blue Flies.
Sister Maggy[[File:{{{image}}}_Icon.png|45x45px|class=pixelImage]]A Familiar that follows Isaac around shooting blood tears.
Fun Guy Mushroom Transformation.png
God's Flesh45x45pxTears now have a random chance to apply a shrinking effect, causing enemies to shrink in size and also run away from Isaac. Shrunk enemies can be crushed and killed by walking over them.
Mini Mush45x45pxIncreases Speed and Range.
Magic Mushroom45x45pxIncreases all stats and enlargens Isaac
Odd Mushroom (Thin)45x45pxIncreases Tears and Speed while reducing Damage.
Odd Mushroom (Large)45x45pxGrants an empty heart container. Increases damage, range and shot height while reducing speed.
一命蘑菇1up! Icon.png给予一条额外生命,死亡后会在前一个房间重生,回复所有红心,并失去此道具。
蓝蘑菇Blue Cap Icon.png给予1个心之容器,增加0.7点射速,减少0.16点弹速。
Leviathan Evil Angel Transformation.png
The Nail[[File:{{{image}}}_Icon.png|45x45px|class=pixelImage]]Adds one Soul Heart and allows the breaking of Rocks and damaging enemies by simply walking over them. Increases Damage and decreases Speed. All effects except for the Soul Heart wear off upon leaving the room.6
The Mark[[File:{{{image}}}_Icon.png|45x45px|class=pixelImage]]Increases Damage and Speed, plus adds one Soul Heart.
The Pact[[File:{{{image}}}_Icon.png|45x45px|class=pixelImage]]Increases damage by 0.5, tears by 0.7 and grants two soul hearts upon pickup.
Pentagram45x45pxIncreases Damage and increases chances of the Devil Room appearing.
Spirit Of The Night[[File:{{{image}}}_Icon.png|45x45px|class=pixelImage]]Grants spectral tears and flight.
Maw Of The Void45x45px+1.0 Damage Up. After continuously firing tears for 3 seconds, a red cross appears on Isaac's head that, upon releasing the fire button, creates a black ring which deals a lot of damage to any enemies inside it. The ring rapidly deals damage equal to Isaac's tear damage to any enemies in contact with it.
亚巴顿Abaddon Icon.png增加1.5点伤害,0.2点移速,移除所有 心之容器,给予六颗 黑心,有几率射出 恐惧眼泪.
BrimstoneBrimstone Icon.pngTears are replaced by a laser beam that pierces through all enemies and obstacles in its path and deals high damage. Can only be fired after a short charge-up period.
Oh Crap Poop Transformation.png
  • Whenever a pile of poop is destroyed, health is replenished by half a heart.
Flush!45x45pxChanges all enemies in the room into poop. Does not work on all enemies (Knights and bosses are immune). Instantly kills Dingle, Dangle, and Brownie.6
The Poop[[File:{{{image}}}_Icon.png|45x45px|class=pixelImage]]Spawns a pile of poop where the character is standing and knocks nearby monsters back. May yield pickups like regular poop.1
E Coli45x45pxGives "Turdy Touch" Effect. Enemies that touch Isaac are changed into Poop.
Seraphim Angel Transformation.png
The Bible[[File:{{{image}}}_Icon.png|45x45px|class=pixelImage]]Upon activation, Isaac gains Flight, allowing him to pass over all obstacles in the current room. Instantly kills Mom, Mom's Heart, and It Lives when activated, but will kill Isaac when activated while fighting Satan, Isaac, or ??? unless he has The Wafer.6
Dead Dove45x45pxGrants spectral tears and flight.
Guardian Angel45x45pxSpawns an orbital familiar that blocks enemy projectiles, deals contact damage to enemies and increases the speed of all orbital familiars.
Holy Grail45x45pxGrants flight and one heart container.
Holy Mantle45x45pxAutomatically negates first taken damage in every room.
Mitre45x45pxGrants a chance of converting any red hearts pickups into soul hearts instead.
Rosary45x45pxAdds 3 Soul Hearts and increases the chance for The Bible to appear in the Shop.
Sworn Protector[[File:{{{image}}}_Icon.png|45x45px|class=pixelImage]]An orbital angel which does 7 contact damage per tick and blocks enemy shots. When it blocks a shot, it has a very small chance to drop an eternal heart.
The Halo[[File:{{{image}}}_Icon.png|45x45px|class=pixelImage]]Grants one Heart Container,+0.3 Damage, +0.2 Tears, +0.25 Range, +0.3 Speed and +0.5 Tear Height
Spun Drugs Transformation.png
Experimental Treatment45x45pxRandomly increases and decreases some of the character's stats. There will always be at least one stat increase and one decrease and the same stats can be increased/decreased multiple times.
Growth Hormones45x45pxIncreases damage by 1 and speed by 0.4.
Roid Rage45x45pxIncreases speed by 0.6, range by 5.25, and tear height by 0.5.
Speed Ball[[File:{{{image}}}_Icon.png|45x45px|class=pixelImage]]Increases speed by 0.3 and shot speed by 20%.
Synthoil[[File:{{{image}}}_Icon.png|45x45px|class=pixelImage]]Increases damage by 1, range by 5.25, and tear height by 0.5.
The Virus[[File:{{{image}}}_Icon.png|45x45px|class=pixelImage]]Inflicts poison to enemies who make contact with Isaac. Speed down.
Yes, Mother? Mom Transformation.png
  • Isaac gains a stationary knife that trails directly behind him. It synergizes like Mom's Knife would.
Mom's Bottle Of Pills45x45pxGives Isaac a random Pill, and will cause him to drop any held Q-slot item (If any). The player will only receive six different pill types in one playthrough.6
Mom's Bra45x45pxUpon use petrifies all enemies in the current room for approximately 4 seconds.3
Mom's Pad45x45pxUpon use inflicts fear to all enemies in the room for 5 seconds.3
Mom's Wig45x45pxAdds a chance to spawn Blue Spiders when firing tears. Restores 1 red heart.
Mom's Eye45x45pxAllows Isaac to fire tears from the back of his head.
Mom's Purse45x45pxAllows Isaac to hold 1 additional trinket.
Mom's Contacts45x45pxAdds a chance to shoot petrifying tears, which stop enemies in place and prevent them from moving or attacking. Range up.
Mom's Knife45x45pxIsaac's tears are replaced by a knife that pierces enemies, can travel through obstacles, and can hurt enemies while Isaac is holding it. Holding down the fire button before firing increases its range and power.
Mom's Heels45x45pxIncreases range.
Mom's Eyeshadow45x45pxTears have a chance to charm enemies.
Mom's Perfume45x45pxAdds a chance to shoot fear tears and increases Tears by 0.16.
Mom's Key45x45pxSpawns 2 keys. Generates additional pickups from chests.
Mom's Lipstick45x45pxIncreases range.
Mom's Underwear45x45pxIncreases range.
Mom's Coin Purse45x45pxSpawns 4 random Pills around Isaac.
Mom's Pearls45x45px+1.25 Range Up. +0.5 Tear Height. +1 Luck Up.
Super Bum Super Bum.png
Bum FriendBum Friend Icon.pngA portable Beggar who follows Isaac, picks up coins for himself, and occasionally drops a Pickup after collecting a coin. Does not spawn Collectibles.
Dark Bum45x45pxSpawns a familiar that follows Isaac around and collects red hearts. For every one-and-a-half red hearts collected, Dark Bum will generate one soul heart, one hostile Spider or one friendly Blue Spider.
Key Bum45x45pxSpawns a portable Key Master that follows Isaac and collects keys, giving random chests in return.
1: Image depicts the familiar. This transformation does not alter Isaac's appearance.


  • 主动道具(例如嗝屁猫的头)只要求拾取过即可。不要求一定要使用或一直带着。
  • 骰子房D4D100重置道具不会移除套装效果。
  • 套装可以共存,套装之间不会相互覆盖。
  • 首次获得苍蝇套会解锁成就苍蝇领主
  • Since none of the Afterbirth transformations unlock an achievement or item, attaining them is not required for 100% completion of the game in terms of achievements.
  • Many of the Afterbirth transformations override the charge animations of items such as Monstro's Lung and Brimstone, potentially making them more difficult to use.
  • Familiars gained from Cambion Conception or Immaculate Conception do not count towards transformation progress.


  • 以撒的结合:重生中有两种套装,在胎衣DLC中又新增了九种套装。
  • In the original The Binding of Isaac flash game, the transformation into Guppy was the only one available, making it chronologically the first.
  • Rebirth introduced Beelzebub as the chronologically second transformation.

SmallIsaac.png 以撒的结合:重生 SmallIsaac.png