ExSoldierLv99

Absolute power comes at a price, Midas' touch is a fine example of it.
After becoming an existence more feared than the demon king and his army of millions, Ethan returns home. However, while he lost all of his powers, one of them didn't leave him... the power to take the mana and memories of those he touches. He thought that his journey had ended, but it had just started, with the goal of learning how to control his power, he will have to travel Earth and other worlds again in search for what he wants.
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A few decades after the start of the new millennium, people all over the world began to disappear from Earth, only to reappear after days, weeks, and sometimes even years after. At first, those people stayed silent as to where they had been, but after a while, weird information began to spread. These people had gone to other worlds…
	No one took that information seriously. However, when one of those who disappeared returned, bringing a horde of monsters with them, some people began to think that perhaps not everything was nonsense. The information, after a while, began to receive more credit when a small country in South America got decimated by the horde of monsters. The same thing happened in Europe and Asia. After a while, it was learned that that happened because these people failed to save the other worlds, and even Earth had to pay a price for it.
	To avoid future disasters, many countries decided to do what they could to identify and train those people. So, in order to train the future heroes of other worlds, many countries created their own summoned heroes’ schools. Unfortunately, they also decided to put in check those who managed to return and use them as assets in exchange for many rewards, but who knows what their true intentions are...

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Dragon's Wrath: The Cursed Returnee

This is how the dungeon can have multiple versions of the same monster, making it more difficult for intruders to navigate and survive. Without wasting time, those two began to move toward the North. They will have to cross five hundred kilometers, but that should be easy to do even for Mary since she could fly even while yawning.

Ethan led her toward the place while just rubbing since she couldn't follow him with Lightning Armor. Several hours passed, and eventually, night came; still, they pressed on since time was of the essence.

As Ethan and Mary continued their journey into the snowy mountains, they felt the temperature dropping rapidly. The air turned icy, and they found themselves surrounded by a thick layer of snow. It was bone-chillingly cold, causing them to shiver uncontrollably.

The theory behind it