Dworgyn is the Wizard City Death School instructor located in Nightside.
Dark Sprite: summons an energy projecting dark sprite
Gould: summons a graveyard patch and a gould that fires a laser beam at enemies to heal himself
Banshee: summons a screaming banshee
Vampire: summons a vampire that can turn into a bat, and gives leeched health to you
Skeletal Pirate: summons a small island and armed skeletal pirate
Doom and Gloom: all spells cast in this area deal more damage
Wraith: summons a soul stealing wraith that gives leeched health to himself