Repentance · passive · #549

Brittle Bones

Replaces red-heart containers with empty Bone Hearts that reward their own destruction.

Typepassive
Quality3
Listed pools2
UnlockAchievement #396

In-game pickup line

“Everything hurts”

Mechanics

What Brittle Bones does

  • Converts all existing red heart containers into six empty Bone Hearts.
  • Losing a Bone Heart fires bone tears in every direction and permanently improves fire rate.

Achievement #396

How to unlock it

Defeat The Lamb as The Forgotten.

Unlocking an item and finding it during a run are separate steps.

Explore more unlocks

In a run

Practical note

Plan how to fill the new Bone Hearts; losing one can strengthen your build but also removes that health buffer.

Reference

Game data and sources

The item ID, quality and pool listings, icon, game-file tags, and short pickup line come from the extracted Repentance files. This effect explanation is an editorial summary checked against the references below. Repentance+ can differ.