Who is Alva Valai? Dive into lore conspiracy theories!

Is Alva simply a greedy adventurer looking for loot? Is she a time lost ancestor of the Vaal? Or perhaps a present day descendant of the long lost ancient people? ...or maybe she's Atziri herself? We are not the good guys reddit thread: https://www.reddit.com/r/pathofexile/comments/8ov8ab/we_are_not_the_good_guys_in_incursion_league/ Original theory on Alva being Atziri: https://old.reddit.com/r/pathofexile/comments/8ilxha/discussion_theory_about_alva_by_someone_who_knows/