Weapon System in Zombie Apocalypse - Chapter 87: Oil Refinery

One day, I woke up only find out that I’d become a Demon Lord, an individual responsible for protecting a dungeon. The world I’d been spirited away to was one filled with violence. Gigantic monsters wandered through it and competed with each other each and every day for the right to survive. I had no choice but to strengthen my dungeon’s defenses in hopes of living another day—or at least that was what I’d thought. For some odd reason, I instead ended up spending my days in relaxation and bliss.

Liu Duo was a young girl whose grandmother sold her to four brothers with the intent to be a bride. Unwilling, she ran away the following night, only to fall unconscious while trying to get away. Unexpectedly, however, she was reborn with the spirit of a 25 year old woman, also named Liu Duo.

- Description from Novelupdates

A mysterious and strange world, a human civilization lacking power, and a horrible and turbulent world of human life, Luo Kai survived humblely as a prisoner. Pain and suffering honed his will. War and killing promoted his growth. He suddenly looked back. Is already one of the most powerful beings in this world.

- Description from novelbuddy

In Tianlan Continent, there is a magic store called Origin Mall.

The Coke here can make people full of blood in an instant; the spicy bars here can make people fight leapfrog; the games here can make people improve their cultivation; the novels here can make people understand the techniques…

There are countless goods here, including leisure, entertainment, dining, training…

Oh, by the way, remember one thing, don’t make trouble in the store, because the owner of the store is very strong…