Sulfur
ItemRepentanceUnlocked
activeGame ID 556★★★★
How do you unlock Sulfur?
Verified starting unlockSource data confirms that no unlock is required.
Grants Brimstone for the current room.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Sulfur leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13