MMO: Pierce Heaven Til' It Breaks - Chapter 4 - Class Quest

The protagonist Yang Yong competes with others in the bar and has a special function of mutation, and he can observe the spectrum emitted by various metals.

Every day in the United States, there are thousands of unowned abandoned warehouses for auction. Yang Yongping borrowed the special function of his left eye to find valuable items from the garbage, such as gold and silver coins, cars, and even antiques, guns, There are all kinds of things.

The scouring has made Yang Yong’s business bigger and bigger, from auctioning old warehouses to auctioning old houses, buying salvage boats to salvage sunken treasures on the seabed, to buying ancient castles in Europe and excavating underground vaults, step by step. Kangzhuang Avenue, proud of life.

- Description from novelbuddy

Shi Jin once read a book. It was supposed to be about satisfying the desire for vengeance.

The villainess sees herself executed in front of a large crowd by the order of the emperor (her husband and the one she loves). However in the next moment after her death, she is back in the past. Monique is sent back into the past because of her brutal memories of her previous life with a prince who was engaged due to their similar age. When Empress grew and looked at the past, she killed her emotions to live as an Empress and remained one emotion, that was sickening affliction. Where in her next life, she made new connections in order to avoid getting executed again…

One day, Zhang Fan, a poor medical student, receives a medical system from the future. This turns him into a new shining star in the medical field. Along the way, he must face medical corruption, competition, and infighting from other doctors, and even find time for a love life as he strives for the top of the medical field!