King Harald the Blue Dent may have died, but his spirit remains... in the most literal way! The Flygja, a spirit linked to his lineage, joined Princess Sydönia. In this well-born soul, cruelty did not wait for the number of years. And the possessed young woman swore to send her father's murderers to join him in the land of shadows. In the first place, Thorgal, now bound by the oath of blood to this war that he does not desire or condone. But Sydönia's childish rage makes no distinction...