Guardian of Nature

4-level Transmutation

Casting Time: 1 bonus action

Range/Area: Self

Components: V

Duration: Concentration, 1 minute

A nature spirit answers your call and transforms you into a powerful guardian. The transformation lasts until the spell ends. You choose one of the following forms to assume: Primal Beast or Great Tree.
Primal Beast: Bestial fur covers your body, your facial features become feral, and you gain the following benefits:

Your walking speed increases by 10 feet.
You gain darkvision with a range of 120 feet.
You make Strength-based attack rolls with advantage.
Your melee weapon attacks deal an extra 1d6 force damage on a hit.

Great Tree: Your skin appears barky, leaves sprout from your hair, and you gain the following benefits:

You gain 10 temporary hit points.
You make Constitution saving throws with advantage.
You make Dexterity- and Wisdom-based attack rolls with advantage.
While you are on the ground, the ground within 15 feet of you is difficult terrain for your enemies.