To know that he had followed Pei Xuanjing in cultivation, even though he had not practiced the Immortal Path's method of cultivation, he had some understanding of certain paths and was definitely capable of utilizing them.
After Pei Xuanjing was revived in the Divine Land World, the first time he truly revealed himself in front of many powerhouses, he relied on the Power of Faith from countless Taoist Academies in the Great Ming Divine Dynasty to manifest an incarnation and then used the power of the Eighth Layer of the Spirit Realm to suppress a Supreme Strong.
Even later, he was able to use those Taoist Academies as an Array Base, employing the boundless Power of Faith to forge a Small Thousand World.
Although Wan Fayi doesn't have the initial accumulation, after all, Pei Xuanjing's accumulation of the Power of Faith over so many years was vast, with countless disciples from the vast Great Ming Divine Dynasty providing their faith.