The Legend of the Forgotten Princess. ​Long before the current era of Equestria, ancient forces linked to the cosmos held power over the stars. When a forgotten figure tied to the celestial signs re-emerges from history, the balance of royalty and primordial magic begins to shift. ​As secrets hidden beneath the night sky unravel, Equestria's ruler and the alicorn princesses must navigate a cosmic puzzle that threatens the realm—where past legends, lost identities, and primordial entities collide.