Enter the Gungeon Wiki
Enter the Gungeon Wiki
Heart Synthesizer
Heart Synthesizer.png
Type: Passive
Quality: A Quality Item.png
Sell Creep Price: 41 Money.png
Ammonomicon Entry
Play Well, Get Hearts
Extra chance for hearts on room clear.

Heart Synthesizer is a passive item.


  • If the player is not at full health, adds a 20% chance to gain half a heart upon completing a room without taking damage.
    • If Heart Synthesizer triggers, it will spawn a half-heart on top of the player.


  • Synergy.png Synthetic Shield - If the player has Armor Synthesizer or Ammo Synthesizer, grants a familiar that orbits the player and blocks shots. If all three synthesizers are picked up, grants three familiars.
  • Heart Synthesizer has no benefit for The Robot, as he cannot use hearts. It still does, however, contribute to the synergy mentioned above.
  • The Synthetic Shield Synergy familiar in-game orbiting the player

See also[]