Short Fuse
TrinketRepentanceUnlocked
How do you unlock Short Fuse?
Verified starting unlockSource data confirms that no unlock is required.
Bombs placed by Isaac explode quicker. [Repentance+] Bombs also deal +15 more damage.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Short Fuse leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13