Luffy's red rock(first move that damaged Kaido) starting with his flashback with hyogoro, shifting to a short summary of whatever that has lead to him fighting Kaido, all that has happened with Momo and Kinemon, Zou, Punkhazard, Wano and the aftermath after Kaido was hit with the is is one of the top if not the top, bits of story animated in One Piece ever.