Aerdeth will take on pupills, groom them to be powerful wizards, and later suck out their life force to keep himself young. Various people at the academy know this but turn a blind eye.
Aerdeth Koehlanna is a elven male wizard and teacher Menarth, Academy for the Arcane. He took both Habor Grief under his tutelage, but both of his students were expelled from Griesstein for performing banned magic.
He became a Master of the Arcane at the academy in 1004 AC when his master stepped down to retire and recommended him.