Monument manufacturing
Now that he was about to leave, and had already had his fun, Lex spread his spirit sense over the entire city. What did it matter if he learned everything there was to know about this place? He was done trying to immerse himself into ordinary life.
From what he could tell, body cultivation was the orthodox cultivation path in this place. It made sense. On earth body cultivation was a lot harder than spiritual cultivation because there weren't enough resources that supported body cultivation, but that didn't seem to be the situation here.
Back then, zombie cores had become very popular because of how they supported body cultivation. But here, Lex had already spotted countless fruits that were considered normal, everyday fruits that people ate as snacks that were even more effective than zombie cores.