Soul of ??? is an unlockable consumable in The Binding of Isaac, added in the Repentance DLC.

Causes 8 poison farts that leave damaging brown creep on the ground, then plants a trail of 7 Butt Bombs in quick succession.

Standing on the creep grants +1.5 fire rate and +1 damage.

The creep deals Isaac's amount of damage at a very fast rate.

This page shows the latest information as of the new Repentance+ (Online Co-op) DLC.
To see information about this consumable for the previous Repentance version, check this page instead.

Defeat Hush and complete Boss Rush as Tainted ???.

The following special synergies and interactions for Soul of ??? have been documented.

* Note that not all possible synergies and interactions are listed here.

Below is the Internal Item Description as shown in-game.
Note that some stat changes are not displayed here. Please see the main description for the full effects.

Soul of ???

• Poison fart 8 times
• Leave a trail of creep that grants damage and tears bonuses while standing in it
• Rapidly drops 8 butt bombs
• Clear Rune: Recharge 3

The following sounds are related to this consumable.

• Check out the consumable description on the external Isaac Wiki.