Hook Worm
TrinketRebirthUnlocked
How do you unlock Hook Worm?
Verified starting unlockSource data confirms that no unlock is required.
[Before Repentance] Tears move shifting left to right on a square-wave-like path. +10 Range (effective Range remains about the same). / [Repentance] Tears move shifting left to right on a square-wave-like path. +0.4 Tears, +1.5 Range (effective Range is slightly lower).
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Hook Worm leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13