Eye of Magnus

 is an ancient magical artifact discovered by the Dragonborn and Tolfdir at Saarthal in The Elder Scrolls V: Skyrim. This massive orb is guarded by a Lich. After destroying the creature, Tolfdir sends the Dragonborn on an errand to research this object (Hitting The Books). Finding the research material below Fellglow Keep, the Dragonborn reads more about the object in Night of Tears. Afterward, Quaranir, a member of the Psijic Order, visits the Dragonborn, telling he or she that the object is dangerous and to see the Augur of Dunlain.