maybe, but it's not likely lol. I think lewis is too dumb to throw a coup at that point
i also think another good reason for a sixth challenge in the game is because stuff like trophy quest can start quite late into the game and with all of the options avaliable to you some players may end up failing before the final challenge. same goes for the barmaid quest it starts after the second to last challenge only allowing the player themself to transform maybe five ish characters before someone wins