Blood Bombs
ItemRepentanceUnlocked
passiveGame ID 614★★★★
How do you unlock Blood Bombs?
Verified starting unlockSource data confirms that no unlock is required.
Grants a Red Heart container and restores 5 hearts. Bombs leave behind damaging red creep. Isaac can place Bombs at the cost of half a heart if he doesn't have any.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Blood Bombs leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13