Dim Bulb
TrinketAfterbirth+Unlocked
How do you unlock Dim Bulb?
Verified starting unlockSource data confirms that no unlock is required.
Provides a boost to all stats when Isaac's active item is completely uncharged.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Dim Bulb leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13