You’re thinking of Kezan. It was destroyed when Deathwing shattered the world, causing the volcanoe on the island to erupt and the surviving goblins getting on boats to flee.
where is it? all alliance warcraft 2 leaders are dead or turned evil. horde leaders are all mostly heroes and still alive. this patch kills an Alliance character that has been around since vanilla as a sick joke.
She’s the last original MU Exarch, but there are others in Outland during TBC, so presumably either the rest of the originals were succeeded (aside from Maladaar, who seems to be back as undead Exarch of the restored Auchenai, which as a group was mostly driven mad and not really interacting with the other draenei until recently) or the surviving post-Horde draenei society created new cultural branches that are each led by their own Exarchs.