the legion finally discovered where Azeroth was in the Great Dark. They required portals before hand because they didn’t know where it was.
Such as?
Let’s deep dive.
How are orcs better at technology than infinitely aged demons?
How are nelves better at strategy than infinitely aged demons who literally live to kill or convert every single race on every single planet they visit?
Wild gods are younger than the Legion.
Elune contributed nothing beyond Tyrande’s “DEMONS ARE HERE” sense.