King Baby
ItemAfterbirth+Locked
familiarGame ID 472★★★★
How do you unlock King Baby?
In The Binding of Isaac, King Baby is unlocked by earning the Delirium completion mark as ??? (Character).
Structured pathSource-backed requirements are mapped into trackable steps.
Spawns a familiar that follows Isaac and makes other familiars follow it. While firing tears, other familiars stop moving.
See the full unlock path for King Baby — 5 stepsWhat unlocking King Baby leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13