Arniel's Shade is a ghost of the College of Winterhold mage Arniel Gane, who was destroyed or possibly transported to another plane at the conclusion of the quest Arniel's Endeavor. The Dragonborn will witness this unexpected occurrence, when given the spell to summon the apparition, which is called Summon Arniel's Shade. Arniel's Shade is a shrewd, powerful, evidently invincible temporary follower that the Dragonborn can place on the battlefield in moments.