One day in the year 433 of the Star Era, a massive opening suddenly appeared in the sky above the northern region of the Tianhua Empire. The empire immediately dispatched a special forces team to investigate the mysterious opening. As the team approached, a sinister black light enveloped an area dozens of kilometers wide. Afterward, the empire's military leaders discovered that every living thing near the opening had vanished. Then came a shocking revelation: after being bathed in the black light, all living things had begun growing wildly, mutating into giant beasts averaging 80 meters in height. These beasts charged south from the Arctic toward the cities of the Tianhua people, laying waste to everything in their path.
To fight these beasts, the technologically advanced Tianhua Empire developed numerous super mechs...
