It is a mysterious existence derived from many religions and myths and legends. It is usually regarded as the messenger or servant of the gods, with supernatural power and purity. In Christianity, Judaism, and Islam, angels are depicted as messengers of God responsible for communicating God's will and protecting believers. It is often depicted as a human figure with wings, symbolizing purity and divinity. In art and literature, angels are often depicted as symbols of tenderness, compassion and protection, in a variety of images, from classical white robes to modern expressions. It is also often associated with music and is considered a singer of heaven.

It is a fictional creature derived from mythology and folklore, often depicted as a monster with wings and sharp claws, often associated with guardians of tombs or ancient castles. Endowed with the responsibility of guarding treasures or secrets, it exists in the form of a stone statue during the day and transforms into a living creature at night, possessing supernatural power and speed. The image is varied and sometimes depicted as half human, half beast. There are different images and stories in different cultures and legends, but their core features are guardians and nocturnal activities, making them a mysterious and powerful creature.

Zhenwu Emperor, also known as Xuantian God, Xuanwu Emperor, Yousheng Zhenjun Xuantian God, and Insufficient Patriarch, is the full name of Zhenwu Dangmo Emperor. He is the northern god in Han myths and legends, and is the famous Yujing Zun God among Taoist immortals. At present, the main god enshrined in Wudang Mountain in Hubei Province is Emperor Zhenwu, who is called "Zhen Zhen Zhen Zhen Zhen Wu Ling Ying You Sheng Emperor" in the Dao Jing, and is referred to as "Zhenwu Emperor" for short ". Han folk called the Lord of the Demon, the Patriarch of Reporation, and the Patriarch of the Hair. After the Ming Dynasty, it had a great influence on the whole country, and the folk beliefs Han modern China were particularly common.