Chapter 405: Chapter 405 Building the Outer Wall, Monster Mutation!

Time passed slowly, and before we knew it, it was midnight.

Tang Zhen did not return to the main city to rest, but instead brewed a pot of hot tea and was drinking it by himself.

On the city wall, there are rooms that Tang Zhen modified, which can be used to store supplies and also provide a place for the soldiers defending the city to rest.