Khadgar, the ArchmageEdit
Supreme Commander Khadgar of the Alliance Expedition has been known throu'ght the ages as one of the greatest Wizards to have lived. Apprenticed to the Host of Sargeras, Medivh, he preached his powers through time as an Archmage and Kirin Tor mage. His feats are renowned, one of which is defeating Medivh-Sargeras in magical combat, banishing the Titan from Azeroth. Medivh was later slain by Anduin Lothar.