City: I Have the Strongest God of War System

As a professional killer, Leng Sha traveled to another world, but sadly became an experimental subject in a human laboratory. However, he escaped with the strongest God of War system, and then relied on a pair of iron fists to carve out a world in troubled times, and finally climbed to the top and became the supreme God of War in this world! However, due to the disorder of the laws of time and space, the space barrier between a higher-level alien world and this world was broken, and a huge crisis came. How will Leng Sha lead this world to resist the invasion of alien creatures? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.