Isaac RebirthKeeper sprite

Maggy's Bow is a passive unlockable item added in The Binding of Isaac: Rebirth.


  • Adds a heart container.
  • Red hearts double their value in healing. Half red hearts heal for one full heart container, full red hearts heal two, and 1+1 free hearts heal four hearts of health.


  • The Jar - Gives the ability to spawn infinite red hearts.
  • Humbling Bundle - Turns all regular red hearts to 1+1 free hearts. The 1+1 free hearts still heal four heart containers.

Related Achievements

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