A four-meter-tall humanoid robot appeared next to Xuan after his words. This robot had been standing in this darkness. Its eyes lit up and a very faint light glowed on its body.

The robot took a heavy step and jumped about ten meters. Its body bended backward as it began a transformation. In just a second, the robot transformed into a jet fighter with a streamlined body.

They could hear a cry of excitement coming from the jet. Two streams of electricity burst out from its back. The plane sped toward the weapon testing center. Once it reached within a hundred meters, it fired several mini missiles from the wings. The missiles bombed the exterior walls. The concrete...