Sergeant Kael ventures into the desolate Realm # 443892 / Mono Mega, a dimension designated by the Nexus Galactic Federation for testing powerful weapons. In this part of the fractured universe, nothing can be truly destroyed, making it the ideal, harmless environment for unleashing the most devastating superweapons. Armed with his newly equipped Quantum Rail Gun, Kael tests the full might of his upgrade, pushing the limits of destruction without consequence, in a world where even the fiercest firepower leaves no trace.