When the whole company grew sick from an unnamed malady, they kept to a vegetarian diet to honor two of the emperor gods, Kiew Ong Tai Teh and Yok Ong Sone Teh. The sickness afflicting the opera troupe then disappeared. This greatly interested the people of Kathu,who asked how it was done. The answer came that ritual vegetarianism with its attendant ceremonies had been the cause, with the result that people embraced the faith enthusiastically. Thus the festival began: starting the first evening of the ninth lunar month, it continued until the ninth evening; the aim was to bring good luck to individuals as well as to the community.