During their quest to retrieve the Holy Grail for the venerable wizard Merlin, the noble Knights of the Round Table inadvertently unleash the calamitous Void Giant upon Camelot! King Arthur valiantly leads his Knights into battle, but they are swiftly dispatched by the terrible creature. With the realm’s protectors slain and the legendary sword Excalibur broken, Merlin weaves a powerful incantation to transport the Void Giant back to the Astral Dimension from whence it came. Unfortunately, the spell doesn’t quite go to plan and the entire kingdom is brought along for the ride…