Mom's Underwear
ItemRebirthUnlocked
passiveGame ID 29★★★★
How do you unlock Mom's Underwear?
Verified starting unlockSource data confirms that no unlock is required.
[Before Repentance] +5.25 range, +0.5 tear falling speed. / [Repentance] +2.5 range. Spawns 3-6 Blue Flies on pickup.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Mom's Underwear leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13