C1607 Earth Book
The appearance of the Demonic Gourd deterred Ancient Buddha Ran Deng, Zhen Yuanzi, and the others from making any rash moves, because the Demonic Gourd represented Saint Nuwa's will. As long as they didn't become saints, they wouldn't dare go against the will of the saints.
At the same time, Bull Demon King had already handed the Demonic Gourd to Sun Wukong. Naturally