City, I Can Learn from Civilization

My last name is Jie Jian. I just became the "only one" with the ability to observe infinite time and space, but my combat effectiveness has not changed. I felt very sad and speechless. I felt awesome all of a sudden, but I just couldn't get better at it... Okay! Please enter the world I record. The content written is "false" and "illusory", and it may also be "real". Please don't take it for granted. Science is the truth! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.