He has a briefly dangerous level of genre savvy in which he correctly draws the parallel between himself and the main character of that story. Kaneki I Know My Tropes Ken is on the scene.

Card games have gotten too strong I will never play rummy again...

Let's see, rowdy spirit requires having fulfilled the requisite prayer and since they're both new they haven't done hat. The hope one could be totally doable though, and Kaneki's likely to start with non-combative prayers at first.