Whose seal is the big swallow of Luotian in Qingcheng Mountain?

There is no seal with anyone. According to related websites, Luotian Great Smoke in Qingcheng Mountain is the most grand Taoist instrument in China to pray for disaster relief and auspicious arrival. There is no seal in it, saying that seal is just superstition. This large-scale Taoist activity is held in Qingcheng Mountain, Sichuan every year around the middle of 10, and it is one of the most famous religious activities in the area.