Son of the Thunder Clan

Thousands of years ago, gods and demons invaded Xuantian Continent with force. The humans of Xuantian Continent, who were at the peak of the Xuan Qi era, united together and resisted for thousands of years, but they still could not stop the arrival of gods and demons. After thousands of years of rule by gods and demons, humans have completely become the prey of demons! In Xuantian Continent, where demons are killing and ravaging every day, people no longer have hope for the future. However, Xuantian, an underground organization, gradually grows in the future and begins to fight back against the gods and demons. At this time, a sealed young man was forcibly unsealed by lightning. When he broke out, a strange voice appeared in his mind: Welcome to the extreme upgrade system! ! !