Channeling the power of nature you augment your beast companion, transforming it into a larger, more powerful form until the spell ends.

Whilst in effect, the spell applies the following changes to your best companion:

• Increase its size by one category.
• Add your Wisdom modifier to its AC, savings throws, ability checks, attack rolls, and damage rolls.
• It gains resistance to Bludgeoning, Piercing, and Slashing damage.
• If it has any abilities which require saving throws, then these use your spell save DC if that's higher than the companions save DC.

At Higher Levels. If you cast this spell using a slot of 5th level or higher then the spell does not require concentration and the effects last for the full duration.