The Starlight Cannon and the Self-floating Railgun each have their own characteristics. The former can directly harness Constant Star Light, transforming it into a continuously dense energy beam attack. The latter focuses on physical strikes. Although its firepower does not match the former's, its attack methods are diverse, not just firing projectile rounds with the railgun. It also possesses two types of directional energy weapons, lasers and particle beams, along with a small close-in railgun and a missile nest carrying 2000 rounds.
They spent two days completing the joint setup of Starlight Cannon and Self-floating Railgun positions near the orbit of the Second Planet.