Grimwood

Grimwood is a location referenced in the Bestiary.

It is referenced as a location that Drude and Shrill Bat are from.

Their descriptions say

Drude: "Deep in the Grimwood lives a witch coven that practices dark and forbidden arts. Arts such as animation. They animate objects and twist their life essence for nefarious purposes."

Shrill Bat: "Nights in the Grimwood are long and sleepless, filled with the piercing cries of the Shrill Bat."