And probably more than that is possible, though I don't think I've seen any record of it. [If only they knew how many times the various versions of Yuu Kanda had been through there.]

Huh. So the cave trapped you, required a riddle to leave... and left you on an entirely different island by the end of it? [He shook his head.] That doesn't make much sense. [Not like anything here did.]

I wonder if there was a reason behind it. It almost sounds like a test, but I don't know what it would achieve.