On an otherwise normal day, Astera and Sirus, siblings who live for each other, discover a new part of themselves. Gifted with magic, they are propelled into a far greater world than they've ever known. As their adventure unfolds, the will meet new friends, face new foes, and grapple with forces and problems no one alone should handle. In the continent of Litheria, the Five Nations persist past their expiry. As the Third Era approaches its zenith, all must face their tests.