Fiery-Oil Incendiary Bomb

After throwing off the bombs, the 9 airplanes made a circle above the valley before heading far away, leaving raging flames within the white circle. Commander Cheng watched the scene for a short while before flying towards those people on the hillside, closely followed by Gao Tianqi.

In the blink of an eye, Commander Cheng had landed in front of those people in military uniforms on the hillside.