Black Tooth
TrinketAfterbirth+Unlocked
How do you unlock Black Tooth?
Verified starting unlockSource data confirms that no unlock is required.
Adds a chance to fire a black tooth that deals double damage and poisons enemies.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Black Tooth leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13