The reason the Aether Dragon Hatchling attacked Deathwing wasn't because it was interested in the continent of Azeroth or some battle between good and evil, but for a much simpler reason.
As mentioned before, Aether Dragons grew by devouring stellar energy. When Deathwing appeared in the world again, he happened to appear in the Aether Dragon Hatchling's field of vision. To the Aether Dragon Hatchling, this thing covered in fire and light looked quite similar to the food it ate.
I wonder if it tastes good?
Following its instinct to take a bite whenever it grew curious, the Aether Dragon Hatchling opened its mouth and bit down on Deathwing.
And then there was no then.
This was a complete Dimensional Strike. At the end of the day, Deathwing was merely a giant dragon throwing his weight around on a planet. How could he compare to an Aether Dragon that could travel freely through the universe?
Thus, a crisis that might have brought a devastating disaster to Azeroth was resolved just like that—well, it still brought disaster, in a way. At the very least, Kalimdor had suffered terribly at Deathwing's hands. Most of the Night Elves' territory had been flooded, and after being scorched by fire, there wasn't much of it left in good condition.
The Horde suffered even heavier losses. The Barren Lands had been shaken beyond recognition, Orgrimmar was engulfed in flames, and the Minotaurs' Thunder Bluff was likewise trembling under Deathwing's shadow.
But that had nothing to do with the Eastern Kingdom, did it?
When Duanmu Huai returned, the girls told him the news, but he didn't take it seriously at all. In his eyes, it was just a Black Dragon. If it could be eaten, then eat it; if it didn't taste good, leave it alone. The