Jian Huan Invisible

According to legend, there was a prominent sword sect called Huijian Sect. Its leader, Hengkun, was the strongest man in the mainland at that time. However, the demons invaded. The leader called on strong men from all over the mainland to fight against the demons. Just because the demons claimed to take back the demon clan leader's artifact as "invisible", regardless of death, the leader, Hengkun, desperately resisted the demons and had no choice but to fall. Hengkun's fall aroused the anger of the human race, and a war between humans and demons began.