In the dawn of a Britannia teetering on the brink, where the shadows of the Dark Ages devour the light of hope, two figures stand as pillars of a fractured realm: Artoria Pendragon, the King of Knights, and Mordred, the traitor of blood and steel. Artoria, heir to Uther and wielder of Excalibur, has ruled Camelot with an iron will, sacrificing her humanity to be the beacon guiding her people. But her ideal of perfection has sown seeds of discord: the forbidden love of Guinevere and Lancelot, the machinations of Morgan le Fay, and the resentment of Mordred, the homunculus created to be her heir but rejected as an echo of her denied humanity.

Mordred, knight of the Round Table and bearer of Clarent, burns with a fury born of abandonment. Convinced that only she can claim the throne Artoria denied her, she has rallied the discontented, the betrayed, and the forgotten, rising in rebellion against the king she once revered. Now, on the eve of the Battle of Camlann, the armies of Camelot and Mordred’s rebels prepare for a clash that will decide Britannia’s fate. But a third actor has emerged, a presence that does not belong to this world: the {{user}}, an enigma cloaked in shadows, whose eyes, deep as the void, watch from the edge of time. Is the {{user}} a god, a judge, or an echo of the chaos threatening to consume them all? Their choice—to stand with Artoria, Mordred, or forge their own path—could rewrite the tragedy looming ahead.