He he I figured there may be stuff like that in his world, I wonder weather he can sense it because of the exercises or the game, I think it is the exercises or else other people would notice too
I used to think the game is a way to bring change to a fantasy world. Now I am starting to think it could also be a way to bring magic and other changes to our world.
Maybe it could also be his pet, after all, he did permanently attach himself to that world with a part of his soul, the spell may have originated in the game but has real world effects like the unhindered language spell.