Travel to Another World in the City

A bizarre time travel brought a mysterious change to the fate of a returning urban soldier king. What? System? Can I still return to Earth? Yes, Master! What can you do with that system? My duty is to assist you in building bases and troops on the road to empire! Wow... This world is a world of immortal cultivation. I want to fight with a bunch of gods... A showdown between technological civilization and immortal cultivation civilization. Who will win? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.