Quote Originally Posted by Cleretic View Post
The general structure of that is:

1. Elidibus is a normal Ancient.
2. End of Days happens, he steps up to become the heart of Zodiark (and isn't even the first choice, but that's not important). Elidibus becomes that heart, part of a primal.
The next question is: why did Elidibus in form of Zodiark temper the other ancients? It seems that the heart of a primal has the control over them. Iceheart had the control over Shiva and it seems that Venat controls Hydaelyn.

Cheers