Vengeful Spirit

Vengeful Spirit is a passive item added in The Binding of Isaac: Repentance.

Effects

 * Spawns a red wisp when Isaac takes damage that fires spectral tears and deal contact damage to enemies (but does not block projectiles). These red wisps last for the entire floor, and Isaac can have up to 6 red wisps at a time.
 * Wisps deal  damage per tear, and fire tears once per second.
 * Wisps deal contact damage equal to 0.5x Isaacs's damage per tick (15 ticks per second = 7.5x Isaac's damage).

Synergies

 * : Doubles the wisps' size, on-hit and contact damage.