Play as Undyne the Undying and the soul! Undyne the Undying controls: Q for a spear. E for surrounding spears. 1, 2, 3 and 4 for blue spears. 5, 6, 7 and 8 for yellow spears. W to make the blue and yellow spears move faster. Spacebar to switch between red and green souls. Soul controls: Arrow keys to move. Z when on fight button. NO MERCY =). The fight button only reappears after throwing a normal spear or surrounding spears.
