The Grey Chronicles Part Two: Under Siege.

Gargantuan has taken control of a massive weapons facility on the Stonehaaryn home world, Garnavaan One, and he's using it to create an armada of Deity class cruisers. Meanwhile, Titanus forces invade Machinae One in an attempt to capture the capital city and slay the royal family. Briarios, Alex, and Soluna defend their home while Salem, Korana, Augustus, and Seth are forced to lead their combined forces in the largest conflict of the century; the reclamation of the Blood Forge.