Thunder Thighs
ItemRebirthUnlocked
passiveGame ID 314★★★★
How do you unlock Thunder Thighs?
Verified starting unlockSource data confirms that no unlock is required.
Destroys rocks upon contact with Isaac. Adds one Red Heart container and lowers Speed.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Thunder Thighs leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13