People in Fantasy: Treasure Chests Everywhere

Traveling to two thousand years later, the earth has entered a fantasy era. Born into a wealthy martial arts family, I thought I could take drugs to upgrade, but what the hell is wrong with being immune to elixirs? I thought it would be cool until the system absorbed enough energy and was successfully activated! Treasure chest system, treasure chests everywhere! Open treasure chests to upgrade and break the normal upgrade speed! Be the fastest-upgrading man in the universe! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.