Drag left half: Move (circle around the boss)
Attack: tap for a quick strike, hold for a heavy one
Dodge: roll with i-frames (attack while rolling for a lunge)
Guard: hold to block, tap to parry
Heal: 3 charges (vulnerable while drinking)
PC: WASD Move / Space Dodge / J Attack (hold=Heavy) / I Guard / U Parry / L Heal