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* If Vanishing Twin becomes a clone of a boss with a hardcoded item drop, such as [[Gish]] or one of the [[Harbinger]]s, the second item pedestal will be from the [[Boss (Item Pool)|boss item pool]] instead of the boss' regular drop. |
* If Vanishing Twin becomes a clone of a boss with a hardcoded item drop, such as [[Gish]] or one of the [[Harbinger]]s, the second item pedestal will be from the [[Boss (Item Pool)|boss item pool]] instead of the boss' regular drop. |
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* Using {{i|Satanic Bible}} before killing the clone boss will cause it to spawn an item from the [[Devil Room (Item Pool)]] instead of from the [[Boss (Item Pool)]]. This item must be purchased just like a normal [[Devil Deal]]. |
* Using {{i|Satanic Bible}} before killing the clone boss will cause it to spawn an item from the [[Devil Room (Item Pool)]] instead of from the [[Boss (Item Pool)]]. This item must be purchased just like a normal [[Devil Deal]]. |
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− | * Managing to defeat the boss before the twin has transformed into it will not prevent the twin |
+ | * Managing to defeat the boss before the twin has transformed into it will not prevent the twin from doing the transformation and the boss fight will continue. |
* Obtaining Vanishing Twin in the boss fight itself will not take effect immediately. The boss room must be re-entered in order for the twin to transform. |
* Obtaining Vanishing Twin in the boss fight itself will not take effect immediately. The boss room must be re-entered in order for the twin to transform. |
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* On floors with multiple bosses (e.g. {{s|The Void}}) or when getting [[Curses|Curse of the Labyrinth]], the twin will only act on the first boss encountered. |
* On floors with multiple bosses (e.g. {{s|The Void}}) or when getting [[Curses|Curse of the Labyrinth]], the twin will only act on the first boss encountered. |
Revision as of 22:49, 14 May 2021
Vanishing Twin is a passive item added in The Binding of Isaac: Repentance.
Effects
- Spawns a rotating fetus familiar that follows Isaac.
- After entering a boss room, the familiar will move closer to the center of the room, and become a clone of the boss. Isaac must defeat both bosses.
- The Vanishing Twin and original boss will be set to 75% of their maximum health, and their movements and attack patterns will be slightly slowed.
- Upon death, the clone boss will drop an item pedestal from the boss item pool, even if the fight isn't over yet.
- The effect doesn't occur against mini-bosses and end-chapter bosses such as Mom, Mom's Heart, Isaac (Boss) etc.
- The Vanishing Twin familiar will return when Isaac reaches the next floor.
Notes
- Picking up the item with Tainted Jacob will spawn an additional Dark Esau instead, behaving the same as the one spawning normally.
- The cloned Dark Esau will spawn an additional item if killed inside the boss room. Killing it outside the room will not spawn an item.
- The clone's explosion will not turn Jacob into The Lost.
- If Jacob is fast enough and enters the boss fight before Dark Esau is spawned, Vanishing Twin will copy the normal boss instead.
- If Vanishing Twin becomes a clone of a boss with a hardcoded item drop, such as Gish or one of the Harbingers, the second item pedestal will be from the boss item pool instead of the boss' regular drop.
- Using Satanic Bible before killing the clone boss will cause it to spawn an item from the Devil Room (Item Pool) instead of from the Boss (Item Pool). This item must be purchased just like a normal Devil Deal.
- Managing to defeat the boss before the twin has transformed into it will not prevent the twin from doing the transformation and the boss fight will continue.
- Obtaining Vanishing Twin in the boss fight itself will not take effect immediately. The boss room must be re-entered in order for the twin to transform.
- On floors with multiple bosses (e.g. The Void) or when getting Curse of the Labyrinth, the twin will only act on the first boss encountered.
- The twin will not transform into bosses that are randomly found in some default room layouts.
- This item has no effect in Greed Mode and will not normally spawn in this gamemode.
Synergies
- Diplopia: Picking up multiple copies of the item will result in multiple clones getting spawned.
- Each boss will have its health reduced down further by 75% of the health of its previous clone.
- Each of the bosses will spawn a separate item.
- Sacrificial Altar: The twin can be sacrificed normally at any time.
- If sacrificed after it's transformed into a boss, it will still give an item from the sacrifice but the boss will not disappear and will not spawn an additional item.
- IV - The Emperor?: The twin will clone the additional boss and spawn an item if the original one has not been visited yet. However, this will not allow for another item to be obtained from the original boss because the twin won't be active until the next floor.
- There's Options: Will spawn an additional item choice for the item spawned by Vanishing Twin.
- Tick: Lowers the health of both the original boss and its clone.
Interactions
- BFFS!: Will increase the fetus' size although it has no effect after the transformation happens.
- Box of Friends: No effect.
In-game footage
Trivia
- A Vanishing Twin is a fetus that dies during gestation and is reabsorbed by its twin, hence the appearance of the item.
Bugs
Bug! | If Great Gideon is encountered with this item, the fight gets stuck at the second wave because the clone is counted as an alive enemy, resulting in a softlock. |
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Bug! | Some familiars like Headless Baby will follow the other boss as it was a familiar.
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Bug! | Using IV - The Emperor while in a boss fight will immediately kill the twin boss and spawn the second item for free and you will have to fight only one boss afterwards. |
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Bug! | In Double Trouble boss fights, only one of the bosses will get copied but both of them will get their health lowered down to 75%. |
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Jacob and Esau Unlocks | |||
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The Binding of Isaac: Rebirth |
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