# Guardian of Nature > [!info] Spell Details > | | | > |---|---| > | **Level** | 4th | > | **School** | [[Transmutation]] | > | **Casting Time** | 1 Bonus Action | > | **Range** | Self | > | **Components** | V | > | **Duration** | Concentration, up to 1 minute | > | **Classes** | Druid, Ranger | --- ## Description 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. --- ## At Higher Levels This spell does not have an upcast effect.