Investiture of Wood

6th-level transmutation
Casting time: 1 action
Range: Self
Target: --
Components: V, S, M (a piece of bark, which the spell consumes)
Duration: Concentration, up to 10 minutes
Classes: Druid, Wizard, Sorcerer
Subclasses: --

Until the spell ends, wood and moss spreads across your body, annd you gain the following benefits:
You gain +1 AC at the start of each subsequent turn, up to a maximum of 25 You are resistant to bludgeoning and piercing damage As a bonus action on each turn you can choose to regain 1d8 hit points