Fantasy: Spiritual Treasure Collector

A young man came from time-travel, and his host turned out to be a fool. After being bullied for six years, he finally got the chance to practice through trials. The first thing he did after becoming powerful was to take revenge on those who had bullied him. The story begins with a beating. As he has a system, he can only upgrade by continuously practicing or feeding the heaven and earth spiritual treasures. The upgrade rewards make him want to stop. What to go home? There is nothing at home, so how can I have the comfort of being invincible here? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.