Under the Sky

65 Million years ago, the Zerg came to Earth from distant outer space to plunder heavy metals. Soon, the Protoss came with the same purpose, and the war between the two races was about to break out. They consumed each other's high-tech weapons, battleships, etc. And were forced to stay on Earth. A meteorite crashed into the earth, and the surface was no longer suitable for survival. In order to survive, it entered the underground world. Due to the shortage of materials, the forgetting of knowledge, the broken technological chain, etc., Everything returned to the primitive era, and the three races began to fight for a higher civilization. The four scumbags had no intention of going deep into the inner world of the earth, and began to use the existing human civilization to restart the underground civilization. There is no poetry here, but only conspiracy, power, and killing... The collision of fighting skills and ancient boxing skills, the collision of hot weapons and cold weapons... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.