Regenerate

Source: Player's Handbook

Level 7 Transmutation (Bard, Cleric, Druid)

Casting Time: 1 minute
Range: Touch
Components: V, S, M (a prayer wheel)
Duration: 1 hour

A creature you touch regains 4d8 + 15 Hit Points. For the duration, the target regains 1 Hit Point at the start of each of its turns, and any severed body parts regrow after 2 minutes.