Move: Arrow Keys Attack: Q, W, E, S Heal: A, D, Z, X, Y, R, C Green Knight Move: I, J, K, L Green Knight Attack: B Barbarian Move: T, F, G, H Barbian Beheading: M Wizard Move in the same way as you and can attack at random times (or not at all).
Made the health even higher and the fight lasts longer. I also made the same ending twice.
