Lord Slug Terra-Freezing Earth
Terra-Freeze is a method of turning planets into mobilized star cruisers by Lord Slug and his minions. Lord Slug's ship launches specialized pods into the atmosphere and releases black clouds that freeze the planet. It is unknown exactly how the process works, but appears to take days at a time.
Gallery
Terra-Freezing pod launched from Lord Slug's ship
Terra-Freezing pod
Terra-Freezing machine
Terra-Freezing machines