Among the most powerfull mages in all of azeroth. Mannaroth didn't dare to face her in combat. She rival Kil'jaeden and Sargeras in Power. With the power of the old gods, she's grown even more powerfull.
Weapon: Neptulons Trident.
Aegwynn Guardian of tirifsfall:
The guardian of tirifsfall and mananged to defeat the avatar of sargeras herself with only assistance of dragons .
Weapons: Umm, magic i guess?
Azshara, easily. They were a match for each other when they were both humanoids. Now Azshara is an eldritch abomination with mage spells and an Elemental Lord for a pet. It would be over faster than a fight between Muhammad Ali and a 100 foot mechanical Joe Frazier, with even more environmental devastation.