But that would follow the Garrosh pattern perfectly. The circle is almost complete.
Maybe she's going to open a portal to a death realm, like parallel Atheroth where souls of the dead reside or something, and travel there! Then try to attack Atheroth with an army she forms in that death realm! And then we have to follow her though the portal!
I mean really. This story, plus if shadowlands leaks are true, makes this the only logical path to follow.