Zul'ra knocked down several Ascendants, smashing them completely into streams of flame and air. Once they had dispersed, he prepared to retreat into Wyrmrest Temple. He had his reasons for doing so.
First, Zul'ra had already completed his mission. Second, he felt that the protagonists of this war were not himself, nor the Horde or Alliance, but the dragonflights.
So far, there had only been two and a half wars in which the Horde and Alliance had been the protagonists: the Battle of Mount Hyjal, the battle against the Burning Legion at the Dark Portal, and the Second War of the Shifting Sands. The dragonflights had also taken the field in the Second War of the Shifting Sands, but this time, it was their curtain call as the protagonists of an era.
Chosen by the Titans and granted their power as guardians, the dragons had safeguarded the world's stability for tens of thousands of years. But their destiny had now reached its end.
The Hour of Twilight—the twilight of dragons—was the ending to history written by the Titans, and a test of the dragons' long guardianship over the world. If they passed this trial, they would continue to live in this world. If they failed, they would follow the tide of history and vanish completely.
Since he was not even the protagonist, why should he risk his life?
Zul'ra had already done quite well by helping kill the Chromatic Dragons. Now, he intended to coast through things and retreat to Wyrmrest Temple, planning to stay with Taretha—or find Thrall, if that worked out. In any case, he would simply wait for the battle to conclude and a victor to emerge. As for who won this war, he did not care!
Even if this battle ended in defeat, the Twilight Forces