Create Homunculus

level 6 - transmutation
Casting Time: 1 hour
Range: Touch
Components: V, S, M (clay, ash, and mandrake root, all of which the spell consumes, and a jewel-encrusted dagger worth at least 1,000 gp)
Duration: Instantaneous

Description not available (not OGL).
But here is a summary:

Create one homunculus and the caster can transfer his hit points to it up to his next long rest.
Wizard
Xanathar´s Guide to Everything
  1. DnD 5e Spells › Create Homunculus