On the willows there, we hung up our lyres

Nothing if not methodical, Lan Wangji cycles through every combination of buttons that he can, incorporating the navigational stick, too. Sometimes, this is useless -- but not always. For instance, he discovers that Marth has a variety of different sword techniques that can be unlocked, which does handily increase his interest in this game from politely enduring this for Magnus and Galahad's sake to real swordplay would be preferable, but this is not quite utterly pointless.