Foremost Perils Forbidden Curse

After Magu affirmed the nine moons were indeed related to the secrets of the Taishang Daoism and explained what caused such a strange phenomenon to occur, the cultivators were shocked but incredibly excited and reassured. Of course, there were also those who had their suspicions. Precisely how far had the Xunlong clan managed to search to? Where did they get this theory of the nine moons? And why did the Xunlong clan repeatedly risk themselves when the nine moons hadn't yet occurred?