Sulfuric Acid
ItemAfterbirth+Unlocked
passiveGame ID 463★★★★
How do you unlock Sulfuric Acid?
Verified starting unlockSource data confirms that no unlock is required.
+0.3 damage. Adds a chance to fire acidic tears which can destroy obstacles and open doors.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Sulfuric Acid leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13