Anything. The history of this world, anything from other worlds, sometimes I find something similar to what I see in mine.

[Knowing the history of Exsilium doesn't change his powerlessness in doing anything in this war. Knowing about the history of other worlds, the mechanics of their technology and magic, don't have any merits to him either. So what's the point? What's it got to do with him? What can he do with all this knowledge? He tries to shove them away into a drawer in the back of his mind as he continues.]

It's just to kill time, so it doesn't matter what I read.