Anyway, if it's not clear, Měihóu just swapped out a bunch of her memories from one of her past "lives" that was a nomad in Rexicorg. Figured that should be a good enough explanation for a level of "I'm not gonna get lost forever, at least on the first level of the labyrinth." If any Librarians/neutrals want to tag along with her as a guide, I'm sure it's slightly less dangerous than a tournament with Fei competing. If you lose, you die. If you win, you get Asgard coming after your sorry ass.