Echoes of the End puts the player in control of Rin, a magic-wielding Vestigia. The central story follows her quest to rescue her brother from a totalitarian empire, which could prevent a war. She teams up with Abram Finley, a scientist, and together they attempt to uncover a conspiracy that could spark an ancient conflict. The narrative explores themes of trust, redemption, and sacrifice as the world of Aem rages. The story is told using motion capture technology.