# Guardian of Nature
*4th-level, Transmutation*
- **Casting time:** 1 Bonus Action
- **Range:** Self
- **Components:** V
- **Duration:** Concentration, up to 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](/3-Mechanics/CLI/senses.md#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.
## Summary
**Classes**: [Bard](/3-Mechanics/CLI/lists/list-spells-classes-bard.md); [Druid](/3-Mechanics/CLI/lists/list-spells-classes-druid.md); [Ranger](/3-Mechanics/CLI/lists/list-spells-classes-ranger.md)
*Source: Xanathar's Guide to Everything p. 157*