Barkskin
Barkskin is a 2nd-level transmutation available to Druid, Ranger.
Barkskin
2nd-level transmutation
Casting Time: 1 action
Range: Touch
Components: V, S, M (a handful of oak bark)
Duration: Concentration, Concentration, up to 1 hour
Level 2TransmutationConcentration
Classes: Druid, Ranger
You touch a willing creature. Until the spell ends, the target's skin has a rough, bark-like appearance, and the target's AC cannot be less than 16, regardless of what kind of armor it is wearing.