Honestly, it could've been. Man has far more range than most are aware of, those that watch the Annual Alundrathons know this. Really crossing my fingers that he does Latigo or one of his story NPCs.
While we're on the subject, I'd kinda like to clarify something. Now I don't mean to be a snooty terminology lawyer or anything, but since we know from the Lore thread that Ravanavar's political organization is known as "The Navar State" and we also know that the helmeted goons and wizard are currently set to appear in his fortress, I have elected to call the current final boss of the beta a, or The, "Navar Sorcerer" mainly because it's the most accurate thing we can call him without an official confirmation. There are a lot of other-second-words you can use but i feel like Sorcerer rolls off the tongue the best. Now obviously you can just ignore all of this and call him Gandalf Fartsmeller Jr for all i care, i'm just making a bit of a proposal.
TL;DR: I call the Backer Beta final boss The Navar Sorcerer for lore accuracy, you guys can call him whatever.