Sacrifice Rooms are special rooms that contain a set of spikes in their center. Isaac can damage himself on the spikes for a chance to spawn a brown chest or golden chest. The chance is determined by the seed, meaning Isaac must damage himself on the spikes for a set amount of times for a chest.
Template:Afterbirth Sacrifice Rooms were reworked, with a wide variety of possible rewards.
Rewards Template:Afterbirth
Number of sacrifices on Current Floor | Possible Rewards |
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1st/2nd |
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3rd |
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4th |
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5th |
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6th |
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7th |
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8th |
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9th |
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10th |
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11th |
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12th and onwards |
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The payouts only depend on the number of sacrifices made. The number of sacrifices is reset to 0 when the player goes to the next floor.
Layouts
Notes
- Spikes in a sacrifice room can not be flown over, so they can still be used even if Isaac has Flight.
- Invincibility and shields will not trigger a sacrifice (including Holy Mantle).
- If the player holds the Callus, the sacrifice room will not function.
Notes on Rebirth Sacrifice Rooms (non-revamped)
- Only one chest can be received per Sacrifice Room.
- Taking damage down to half a red heart will always drop a chest. Because ??? has no red health, dropping down to half a heart does not guarantee a drop.
- Dying on the spikes guarantees a chest, which can be useful if Isaac is low on health and has more lives from something like the Dead Cat.
- Dying in a sacrifice room with the Missing Poster will reveal puzzle pieces used to unlock the The Lost.
Template:Afterbirth Notes on Afterbirth Sacrifice Rooms (revamped)
- If a player receives both of "You feel blessed!" effects, they will stack and the player will be a 65% chance for the respective coin flip (see Angel Room Generation Chance).
- The amount of health that the player has left after taking a sacrifice does not affect the payout probabilities.
- The amount of luck that the player has does not affect the payout probabilities.
- If Uriel or Gabriel are spawned, they can be despawned by exiting and reentering the room. However they will not drop the Key Pieces unless they are defeated.
- An angel won't drop anything if you already have their corresponding key piece.
- Dying in a sacrifice room while holding Missing Poster will unlock The Lost.
- This will not unlock The Lost during a Challenge.
- The Wafer, Cancer, and Template:Afterbirth Percs pills reduce the damage of the spikes to half a heart, which allows the player to make more sacrifices.
- If the player is using the BASE MENT seed, the Dark Room teleport will allow them to escape the infinite Basement levels.
- Even if the player has not unlocked the Negative yet, they will still be able to teleport to the Dark Room.
- Dying and respawning does not affect the number of sacrifices made, so Dead Cat can be used on low health to try and gain soul hearts.
Bugs
Bug! | Isaac's Heart can be damaged by the spikes in a Sacrifice Room. However, doing so will yield no rewards, making Sacrifice Rooms useless if Isaac has this item. |
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