Fight him! Arrow Keys - Move Double Tap <- or -> - Dash Down + Z - Guard (Has Health Drain) Z - Dodge Moves: Space - Overhead Slash Space in full Health - Sword Beam Space after Overhead Slash - Uppercut Space after Uppercut - Multisword Attack Space + Dash - Drill Stab Space + Dash in midair - Sword Spin Space in midair - Chop and Thrust Down during Chop and Thrust - Hat Thrust
Tips: Since the original fight is already insane and unoptimized, so is this one. Get ready.