Finally ended the update. As usual, Caribdis never disapoints, please support him if you can. What a fucking game. Clair Obscur the game of the year my ass, Eternum is.
About the cliffhanger, I
'm pretty much certain it was William Bardot who called him. It is implied that he is evil and due Axel's call, the way it was done made it seem the players being trapped was on purpose. I just wonder what Axel actually wanted to say. So yeah, most probably it was William, unless it was Idriel, but I really doubt it. The Founder I don't buy it as well.
Finally, the way plot is going it seems Bardot's side is
trying to get Calypso's genes, hence why their dimension is out of the grid. Eternum is a pathway between Earth and Hyril'ar. The founder and Idriel are the original ancestors or both Calypso and the Orion. The founder trapped Calypso as a way to avoid she wouldn't go to them.
I know Dorf will probably say I'm wrong, but it's what I believe, and the last cliffhanger is pushing into that side too.