The Terrifying Insect Men Beelzebub leads Rao and Thief to the Legendary Spring, which they realize the King has kept a secret. Beelzebub detects someone nearby and comes across a group of frightened Picchi and their offspring who survived the "great explosion". General Zeu recalls Are, but before he leaves, Are radio the troops guarding the army's water supply to stand down and his message also informs Rao's group of the location of the water. Rao turns his tank towards the location of the water supply, and they discover a heavily fortified dam the King built to control the country's water. However, Zeu has Dr. Pose deploy a squad of fierce and strong Insect Men who attack the tank of Rao, Beelzebub, and Thief.