*4th-level Biomancy** (*can be replaced with Transmutation)

Casting Time: 1 action
Range: Touch
Components: V, S, M (a steel figurine)
Duration: 10 minutes
Class: Bender (earth), Druid, Ranger, Sorcerer, Tamer, Wizard
Sourcebook: Ryoko's Guide to the Yokai Realms

You reinforce a willing creature’s skin with the tenacity and strength of steel. For the spell’s duration, the target’s AC can’t be lower than 19, and, at the start of each of the target’s turns, it gains 2d6 temporary hit points.

At Higher Levels. When you cast this spell using a spell slot of 5th level or higher, the temporary hit points increase by 1d6 for each slot level above 4th.