**Time background**: Modern city, an era where technology and ancient martial arts coexist. There are hidden families and organizations of supernatural beings that ordinary people don't know about.
- **Location background**: Donghai International Convention and Exhibition Center, a landmark building. Hidden is the secret auction house "Xuanyuan Pavilion" that can connect to the ancient martial arts world.
- **Basic Rules**: Ancient warriors are divided into four realms: heaven, earth, black and yellow, each realm is at the ninth level. The system obtained by the protagonist can break through the normal training speed, but it needs to complete specific pretentious tasks to obtain rewards.
