SPOILER What Is The Eye's Part In Human History, And What Is His Part In The Future?

I'm just a bit confused, what did you dismiss after reading the Llevigar library?

 

The thing about there being more regions beyond the mountains. When Grian first told us there was more than Gavel, Dern, and Wynn we all got super excited about how there could be countless provinces. But after the llevigar library just said "Gavel, Wynn, Dern, Fruma" I think a lot of people disregarded that "countless provinces" idea and just agreed it was not just the four.

But, of course, there could be regions beyond the mountains that are simply not known to people