Dyriad

Not to be mistaken for Dryad

Ancient rulers of the forest, these fiercely territorial creatures will stop at nothing to defend their territory. They may stalk their intruders for days without even being heard before striking at exactly the right moment to ensure victory. It has been suggested that dyriads are formed from the spirits of trees that have been deforested by man and they linger in the forest, intent on inflicting sadism towards their killers, and this is why they are so hostile towards him. But no one really knows...