After the accomplishment of "Dainichi-kyo Sutra," "初会金剛頂経"（Sarvatathāgatatattvasaṃgraha） and their commentary, Mandala, which showed the world view of Mikkyo incorporating various Buddhas, was produced; thus the Buddhas of Mikkyo were placed into a hierarchyand systematized, as all Buddhas were created from Issainyorai (一切如来), the Five Buddhas of Wisdom around Dainichinyorai: Gochinyorai (五智如来).
『大日経』や『初会金剛頂経』（Sarvatathāgatatattvasaṃgraha）、またその註釈書が成立すると、多様な仏尊を擁する密教の世界観を示す曼荼羅が誕生し、一切如来（大日如来を中心とした五仏：五智如来）からあらゆる諸尊が生み出されるという形で、密教における仏尊の階層化・体系化が進んでいった。