User is or has the power to become a forest, a collection of trees usually spread out over a large area. The user can gain different abilities depending on the type of forest they are or become such as arboreal forests, jungles/rain forests, taiga, and more. The type of forest the user can become is usually fixed. Unlike talking tree and wood mimicry, user of this usually function as one massive collective organism rather then just a group of individual trees.