The Celestial Coffin Patrols at Night: No Living Souls Allowed

1. Worldview: A modern setting blended with traditional folk customs and secret Feng Shui arts. A hidden world of "yin objects," "mystic sects," and secret forces exists, while ordinary people know nothing about the affairs of the mystic world.

2. Core Artifacts

- Heavenly Coffin: An ancient coffin dredged from the riverbed during a severe drought in Jiangnan. Its surface is carved with the long-lost "Yin-Subduing Pattern," and it contains a thousand-year-old yin object and a pair of yin-yang jade pendants, heirlooms passed down through the male protagonist's family.

- Yin-Yang Jade Pendants: A secret treasure kept by the male protagonist's grandfather. They can suppress the coffin's yin energy and are also the key to uncovering the "Secrets of the Heavenly Coffin."