Alexia hunts two demons close to a village where Heron works as a miner. As his mother is unmarried and he is thus a bastard, they are mistreated by the villagers. Their only friend is Elias, an elderly man. When a demon attacks Heron, Alexia injures and captures it while it is hiding in human form. Alexia explains that a cult of humans turned into demons is approaching and burns the human, revealing his demonic face to the villagers. Elias explains to Heron that after the Olympian Gods defeated the giants that were grown from the blood of the last Titan to fall in battle...