Strictly speaking, the Four Fiends Demon-Sealing Array was not a spiritual array of the Great Thousand World, but a combination technique belonging to the Four Fiends Spirits. Even if others knew how it worked, they could not replicate it. It possessed no destructive power of its own, yet its effects were enough to make anyone tremble with fear.
Its functions were simple: sealing and suppression. When Xiao Yan first discovered the Four Fiends Spirits in the Magical Beast Mountain Range, they had used this method to imprison the Demon Sword. Now, Xiao Yan merely recreated that scene, using it to seal the boundless light body, which possessed the strongest defenses in the Great Thousand World.
Although Xiao Yan did not know the origins of the Demon Sword inside him, he suspected that its grade far surpassed even a Peerless Sacred Artifact. The fact that the Four Fiends Spirits could seal it showed just how terrifying their sealing power was. At the very least, sealing a primordial dharma body that could not unleash its full power posed no problem.
As the four chains bound the boundless light body, the radiant light pouring from it swiftly dimmed. Qing Yanjing could clearly sense that she had lost control of it. No matter how she stirred her spiritual power, the boundless light body did not respond. This peculiar sensation could not have been more familiar to her. Was this not the very sealing power at which their Buddha Ancient Clan excelled?
Yet Qing Yanjing could not understand how Xiao Yan had accomplished it. Although the Great Thousand World did have sacred artifacts and divine abilities capable of targeting supreme dharma bodies, the boundless light body was no ordinary supreme dharma body. As one of the five primordial dharma bodies, it should have been immune