The entrance to the research base had been modified and was now sealed by an iron gate. At that moment, the gate swung open, and a swarm of heavily armed mercenaries rushed out.
However, Dubu Yun and the Eight Heavenly Dragons possessed overwhelming firepower. They charged forward, brandishing heavy weapons and firing continuously. In an instant, the mercenaries who had emerged were cut down, falling into pools of blood.
In an office within the research base, a subordinate rushed in breathlessly. "Report! Someone has broken in, and all the guards at the entrance have been killed."
Chapter 412