Martial Arts Masters and Blood

Too much blood has been shed in Xunyang City. Huo Yan, who traveled through time, chose to sign up for a martial arts gym and become an admirable martial artist just like everyone else, in order to strengthen his body and protect the people. The strange blood servant keeps killing passers-by in the middle of the night. Finally one day, Huo Yan also met the terrifying blood servant. Defeat, palpitations. He began to delve into the city's biggest secret, a secret that everyone feared but chose to turn a blind eye to. Everything starts from that mysterious box...