That could be the case. Or they could be entirely separate matters. We don't have enough knowledge to make a reliably educated guess.

[Which is annoying. He doesn't like being trapped wandering about in the dark. Still, he's learned something interesting about the Summoned who came before him; he'll remember it.]

But there has to be a way to change that. We'll just have to trace what leads we can, and see where they take us.