The Starfall Prophecies have come to pass. The harbinger of doom is here.

The Comet of Ahnket hurtles through the skies towards Telara, tearing pieces from the planes it passes through and assimilating them into its ever-growing mass. Marshes, forests, deserts, and volcanic wastes have all merged together beneath the shadow of the colossal Tower of Ahnket, creating a new world of unnatural beauty... and unfathomable danger.

Now the Guardians and Defiant must unite against the sinister intelligence that guides the Comet of Ahnket and stop it from swallowing their world.