XV - The Devil
CardRebirthUnlocked
How do you unlock XV - The Devil?
Verified starting unlockSource data confirms that no unlock is required.
Triggers The Book of Belial effect, granting +2 Damage for the current room.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking XV - The Devil leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13