Fairly late in Assassin's Creed II, you have to enter a tournament. You're fighting a series of one-on-one battles, mano-a-mano. But then the sponsor cheats and the rules change. Here come four guys at once, and they're using their weapons. In any other game, this would be one of those difficult scripted missions that you have to replay a few times to win. After all, it's late in the game and the developer intends to throw some tough challenges in your way before you get to the end.