After a catastrophe, the biggest trouble facing humans is energy shortage! A brand new profession was thus born, controlling various elements such as iron, copper, phosphorus, gold, silicon, and carbon, they are the strongest combat power in the world. Restarting a powerful system, the youth began to be accompanied by compulsive tasks again and again! Challenging missions full of danger time and time again, he gradually became stronger, and went further and further on the road to a great demon...
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(Source: WebComics)


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