Imperial mages have arguably advanced the study of conjuration magic far more than most, but it first fell to Elven wizards to crack open the door to Oblivion without its screaming horrors spilling uncontrollably into Mundus. Corvus and Calani Direnni and their clan first lit the torch and peered into this unholy darkness, lighting the path for the magical school of conjuration. Their precise binding chants are still used to this day when summoning lesser Daedra.