I had a theory on Kralkatorrik and Aurene getting killed by him. Glint's spirit told the Commander something about how magic can be "molded" or something like that. My theory is could Aurene have melded her mind, spirit, or both into Kralk therefore becoming him in a sense? Could such an act stabilize Kralk's evil mind, or cause him to go insane (as if he wasn't already insane.) LOL! I think this is very unlikely given the sneak peak trailer we saw of the new content coming out, and that the mistwalkers are still causing problems, but what if the white flying creature seen in the trailer was not Aurene but something else.