Razor Blade
ItemRebirthLocked
activeGame ID 126★★★★
How do you unlock Razor Blade?
In The Binding of Isaac, Razor Blade is unlocked by earning the Satan completion mark as Eve (Character).
Structured pathSource-backed requirements are mapped into trackable steps.
Damages Isaac for one heart and grants +1.2 damage for the current room. [Repentance] Subsequent uses in the same room only take half a heart.
What unlocking Razor Blade leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13