"Well back where I'm from, we have blitzball spheres - sounds just like what it is!" That is, a sphere. "They do some stuff to the water to amke it easier - in blitzball spheres anyway. But our water's not as heavy as some of the worlds we've been to with it. But... I think we're just more into water games than most places."

Ergo, more people are willing to learn how to hold their breath for a really long time. Totally the way it works.

But he listens as Wangji answers his own curiosity, figuring that the guy could always share the book out once he was done - but, that wouldn't give him anything new to read, personally. He hums thoughtfully.

"You can get a bunch of poems in a book at least, right? Don't read them myself. But... maybe you can try going, 'a big book on this or that'. Whatever academics you're into. Thaat's...like science, right? People talking about research they did into somethin'?"