legion

Following the death of archimonde, gul'dan was sent to azeroth to begin the third invasion of the burning legion, erecting the tomb of sargeras out of the earth.

When gul'dan erected the tomb of sargeras out of the ground, he also started the third invasion of the burning legion, allowing the legion to storm azeroth once more. Heroes of the alliance and horde gathered in class order halls, gaining powerful artifact weapons to destroy the legion. Starting with high king varian and warchief vol'jins death at the battle of the broken shore, both major factions were forced to retreat resulting in the teleportation of the arcane city of dalaran to the broken isles. Although the pillars of creation, belived to be the only way to destroy the legion, were recovered, one of them was unobtained, the eye of aman'thul. resulting in the defeat of gul'dan, and recovering of illadan stormrage. and finally the death of kil'jaden. When the armies of legionfall went to the legions homeworld of argus. There they reunited with turalyon, a lightforged human, and leader of the army of the light, in which they finally laid waste to antorus, the burning throne, the headquarters of the burning legion. In which the champions of the class order halls went to the seat of the pantheon, and defeated the fallen world soul of argus. But before sargeras could be stopped and imprisoned, he stuck his blade into azeroth, wounding her soul. But at a major loss, as illadans final objective was complete, to destroy and end the burning legion. as the heroes fled back to azeroth. He stayed behind becoming  sargerases' warden.