I find all these theories on the Gerun book to be pretty fascinating.

It looked to me like Elidibus was just saying,
"Of all the tales, this one is the one you need to be reading. That's the true genesis of this world, and its destiny. Surely it's obvious that not the power of the Warrior of Light, the Garleans, or even the Triad can change anything. All of our histories have been preordained."