Repentance · passive · #726

Hemoptysis

Double-tap to sneeze blood and mark enemies for beams.

Typepassive
Quality1
Listed pools3
UnlockAchievement #591

In-game pickup line

“Double tap sneeze”

Mechanics

What Hemoptysis does

  • Double-tapping a fire direction releases a damaging blood sneeze in front of Isaac.
  • Enemies hit take increased damage from Brimstone-style beam attacks while cursed.

Achievement #591

How to unlock it

Defeat Delirium as Tainted Azazel.

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

Explore more unlocks

In a run

Practical note

Sneeze at a close target before firing a Brimstone-like attack into it.

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.