Ys X: Nordics is a brand-new adventure set in the northern sea Obelia Bay, featuring young adventurer Adol Christin as the protagonist. The setting is the northern sea Obelia Bay, which is made up of countless islands big and small. After completing his adventures in the Ancient Kingdom of Ys, the young adventurer Adol Christin encounters a maritime people known as "Normans" in this new land. Who are they? And who are the "Griegers," immortal undead who attack humans...?