chapter 412 Research Results

The entrance to the cave has been modified and is now an iron gate.
At this moment, the iron gate opened and many fully armed mercenaries rushed out.
However, the firepower of Du Buyun and Babu Tianlong was very fierce. They rushed over quickly, holding heavy weapons and firing continuously. The mercenaries who rushed out instantly fell to the ground in a pool of blood.
Research base, an office.
"Report, someone broke in, all the soldiers at the door were killed."
One...