High School DxD - Volume 18 Chapter 5.1

A century after the Great Cataclysm, a brand new profession was born. They control iron, copper, phosphorus, gold, silicon, carbon...Gao Neng has awakened a sacrifice system and the first task he received is to sacrifice the most gifted girl in the military. The reward will be a shocking increase in his talent : Iron 100%, Copper 100%, Tin 100%, Silver 100%, Gold 100%, Phosphorus 100%, Sulfur 100%, Silicon 100%...

Lin Li accidentally enters another world while playing with his smurf mage account just after he maxes out all kinds of crafting skills, bringing with him various top-grade materials. Although his character is practically powerless, what he gains in return is unprecedented magical talent! Can he survive by himself after being thrown into another world?

Necromancer】, Originating from ancient Europe, these mysterious wizards were often male, knowing how to summon and enslave the souls of the deceased to create undead creatures. Usually, those who practiced this craft had frail bodies, pale complexions, and twisted psyches, shunning and distrusting others. Some, who mastered the art, could even trade their flesh for an immortal Lich’s life. But can someone tell me how to practice the art of necromancy in the 21st century? In a law-abiding society, I can’t even get a skeleton! Misumi Mikoto: Doctor Chen, come quickly and help me examine this body; I can’t find the cause of death! Jounouchi Hiromi: Doctor Chen, come check on this patient first; what exactly is wrong with him?

Wang Yi gets a key, opening a door in 2022 will lead to 1982, and opening a door in 1982 will return to 2022.

Two very different great eras appeared before him:

Abundant dietary protection, developed industrial products, miraculous medicines, and explosive information, this is 2022.

Simple folk customs, rich wild resources, scattered antiques, and treasures of the age, this is 1982.

Traveling between these two eras, Wang Yi didn’t think much of it, he just wanted to live a good life.

- Description from novelbuddy