Online Game Fantasy Supreme

In 2999 AD, human technology was controlled by a mysterious optical brain. Immediately afterwards, this mysterious optical brain launched a virtual online game - Fantasy Continent. This game attracted all humans to join the game in just one year. In the five years after the game was launched, the protagonist relied on his own wisdom and luck to continue to become stronger and became the number one in the entire server. In the end, he was killed by nine other people in the top ten of the whole server, but he traveled through time and space with an artifact he obtained by accident, and returned to before the game started. What kind of trouble will the protagonist cause? The introduction is incompetent, read the text This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.