Seeing Elk's frustration in repairing the Airship Hien, Lia allows her puppy love to get the best of her and tells the young Hunter about a forbidden cave allegedly inhabited by an ancient warlock. In the cave, Elk, Lieza and Lia discover Gequebec, a mechanical golem constructed by ancient warriors and designated the Guardian of the Seven Heroes. Meanwhile, the Hunters' Guild places a bounty on Elk, accusing him of kidnapping.