Deru Trees are great trees found on Auberean, and one of the primary forces associated with The Light. Most of our knowledge of the Deru comes from the teachings of the Light Falatacot. All the Deru can trace their ancestry to the First Tree, because they all were once twigs on its great trunk. It is said that the First Tree has seen the beginning of the world and that when the First Tree perishes, so will the world. Deru Trees are the antithesis of Old Ones