Cat-o-nine-tails
ItemRebirthUnlocked
passiveGame ID 165★★★★
How do you unlock Cat-o-nine-tails?
Verified starting unlockSource data confirms that no unlock is required.
+1 damage, +0.23 shot speed.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Cat-o-nine-tails leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13