OmnisGM/ rules
Barkskin

Barkskin2nd-level Transmutation

Casting Time
Action
Range
Touch
Components
V, S, M (a handful of oak bark)
Duration
Concentration, up to 1 hour
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 can't be less than 16, regardless of what kind of armor it is wearing.

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