I've Been Trapped in a Dream for a Hundred Thousand Years

In a small mountain village on Earth, there lived a young man named Ergou. Because of his congenital lack of intelligence, he has been bullied by others since he was a child. His life was full of pain and setbacks, but he still maintained a kind and optimistic heart. Once, Ergou was bullied by several people. He tried to beg for mercy, but those people were not willing to let him go. In a desperate resistance, Ergou unfortunately suffered a head injury and fell into a coma. In a coma, Ergou's consciousness was trapped in a wonderful dream. In this dream, he found himself in a mysterious world with all kinds of magical creatures and unknown areas. In order to survive, Ergou began to practice in this dreamland, and he learned various great magical powers and skills. One hundred thousand years later, Ergou finally woke up from his coma. He found that he had become a true immortal, with his strength and wisdom reaching their peak. He decided to use his powers to avenge himself and the people of Earth. Ergou showed his great strength and easily defeated the people who had bullied him... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.