I believe that the WoL was the 14th, and disliked the idea of creating Zodiark and Hydaelyn. They probably wanted to find another way of saving the star, without making a primal. And what does our character do most of the time? Put down primals :P
Also, the person’s aether that Zenos recognises, that has 2nd hand knowledge, what if it’s part of our soul from another world? would explain why Zenos recognises it, and tolerates them. We’ll probably end up defeating them, absorbing that piece of our soul, and becoming closer to being an unsundered ancient?