The Ruined King Saga is a series of skins in League of Legends that tell the story of Viego's return to the world of Runeterra. Each skin is a canon depiction of how the champion was affected by the Ruined King's return. The Ruined King Saga officially encompasses two skin lines: Ruined and Sentinels of Light.

The Ruination of Targon and the loss of the Aspect of War devastated the Rakkor tribes. But the only way to fight an Aspect's power is with another Aspect—and so Diana takes up her blade as a member of the Sentinels, knowing that Viego would destroy everything the moonlight touches.