Unbreakable Skin

5th-level abjuration

Casting Time: 1 bonus action

Range: 60 feet

Components: V, S, M (a shard of obsidian worth at least

200gp)

Duration: 1 round

You cover your companion with a thin layer of impenetrable, magically infused obsidian. Until the end of your next turn, your companion is immune to all damage.