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Item icon
Item altar
"Temporary demon form"
Table dividing line 1.png
Item ID
Table dividing line 2.png
Recharge Time
3 rooms 3 rooms
Table dividing line 3.png
Collection Grid
(page 5, column 12, row 4)
Added in Repentance

Sulfur is an activated item added in The Binding of Isaac: Repentance.

Effects[edit | edit source]

  • Upon activation, Isaac is turned into a demon and gains the effects of 15►Brimstone Brimstone for the current room.
    • If Sulfur has already been used in the current room, it instead gives Isaac +1.8 damage for the current room and increases the size of the laser.

Synergies[edit | edit source]

  • 15►Brimstone Brimstone: One activation is enough to get the powered up version of Brimstone.
  • 15►Car Battery Car Battery: Counts as double activation for the current room.

Interactions[edit | edit source]

  • 15►Dr. Fetus Dr. Fetus: Other than the costume, overrides Sulfur.

Trivia[edit | edit source]

  • Sulfur is the more direct translation of Brimstone.
  • Originally in Antibirth, using Sulfur twice in one room would instead permanently grant Brimstone to Isaac.

In-game footage[edit | edit source]