Barkskin 2nd level transmutation

Casting Time: 1 action

Range: Touch

Components: V, S, M (a handful of oak bark)

Duration: Concentration, up to 1 hour

Tags: druid ranger level2 transmutation

You touch a willing creature. Until the spell ends, the target’s skin has a rough, bark-like appearance, and the target’s AC can’t be less than 16, regardless of what kind of armor it is wearing.

You can find more information on this spell in: PHB.217