Incorrect. You guys are going to kick yourselves when I say it
I'm PASSING TO ROGASAUR
It was Teldrassil
The city of Darnassus is literally high and literally shrouded
Next line is a corruption in Emerald Dream reference
Next line says it is an island off of the main land and again references Teldrassil's corruption
Final line is all about Staghelm, the brain child of Teldrassil in the first place.