Briar is going to be a tree of some sort. I'm combining Ents, the monarch Willow from Briar's canon (because the willow trees believe there is a Queen Willow), and Grandmother Willow from Disney's Pocahontas by way of inspiration. I'm leaning toward making him a pine tree.

Anyway! He will be a tree available for conversation/advice/possible sarcasm, and he will probably be like a half-dormant Ent in terms of movement ability; he'll be mostly stationary, unless something really big prompts him to move. Feel free to poke me to have him encounter your characters and/or if you want him as part of a character's fairy tale backstory!