"...I've heard of a game kind of like that but it's played on a field." The idea of it being in the water was ... odd but probably really helped with the sweatiness issue! And obviously some sort of spell was involved so nobody drowned. "Did you have special equipment for playing underwater? Swim fins?"

Of all the sports he's ever heard of this one is at least temptingly different. He didn't mind the water! And all the unpleasant side effects of terrestrial exercise simply went away!

But he does shake his head in the expected negative. "Not that I know of. Some... eight months ago or so I lost all memories except for my name, and I don't have much idea of what I did before that point. I think I must have been very keen on something physical, but ...." He shrugs. "I couldn't tell you now. Sorry to say, blitzball doesn't sound familiar even if it sounds more interesting than most sports."