The Demon-Eating Blade

When Valkras awoke from the void, its first roar tore through the primordial chaos, and the magic contained in its shockwaves solidified into the twelve most fundamental Draconic runes.

Chalk White Holy City, Spinal Chain; Blackpine Forest, Witch's Cauldron; Rust Plains, Broken Sword and Armor; Weeping Wall, Lake of Mirror Tears; End Corridor, Well of the Rotting Moon, Boiling Blood Trench, Pale Courtyard.

The Devourer Greatsword: a fragment of an ancient dragon's fang, or something else?