
Lil Monstro
ItemAfterbirth+Unlocked
familiarGame ID 471★★★★
How do you unlock Lil Monstro?
Verified starting unlockSource data confirms that no unlock is required.
Spawns a familiar that fires clusters of tears. Must be charged before shooting.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Lil Monstro leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13