Khadgar is one of the great heroes of Azeroth, known as one of if not the absolute most powerful mage in the world. He commanded the Alliance expedition to Draenor and became a great hero during the Second War. He is the former apprentice to Medivh.
Powers and Stats
Tier: At least 6-B, probably 6-A
Name: Khadgar, "Truth"
Age: Unknown, seventeen when he was cursed, at most mid forties (appears much older due to a curse)
Classification: Human Mage
Powers and Abilities: Magic, Fire Manipulation, Portal Creation, Elemental Manipulation, Earth Manipulation, Holy Manipulaiton, Energy Manipulation, Light Manipulation, Superhuman Physical Characteristics, Forcefield Creation, Swordsmanship, Clairvoyance, Telepathy, Telekinesis, Absorption, Illusion Creation, Regeneration (Low-Mid), Healing
Attack Potency: At least Country level (Using the tools available to him, far surpassed the spells that required a fully powered pair of high-end mages (namely Gul'dan and Medivh) to do), probably Continent level (Capable of harming Archimonde, should be comparable to Rhonin)
Lifting Strength: Unknown
Striking Strength: Unknown
Stamina: High, although relies on mana to maintain the ability to keep fighting
Range: Several kilometers with basic magic spells
Standard Equipment: Atiesh, Greatstaff of the Guardian, Pipe of Insight, Gem of Health, Staff of Nethergarde
Intelligence: Extraordinary Genius, superior in intellect and insight to the most intelligent mortals on the planet, understands what needs to happen to defeat the Legion and its armies
Weaknesses: Limited pool of Mana, pseudo-old age