You see Azerus
"The ultimate will finally consume this unworthy existence!"
Abilities
Melee (0-900+), Mana Drain (All your mana), Ranged Attack (0-524), Summons 0-? Rift Worm, 0-? Rift Brood, 0-? Rift Scythe, 0-? Rift Lord, 0-? War Golem.
Damage Taken From Elements
Physical 
Death 
Holy 
Ice 
Fire
Energy
Earth
Location
Yalahar Central, 3 floors down.
Strategy
You will need 3 to 5 knights to block the summons, you can not hurt the Azerus much untill the war golems spawn at this point all fire should be concentrated on Azerus to kill him fast.