•Kukai’splan was that his monastic center on Mount Koyawould be a large-scale physical representation of the two mandalas that were important in Shingonritual.
•The two mandalas in Shingonritual were known as the Kongokai(Diamond mandala) and Taizokai(Womb mandala).
•The Kongokaimandala depicted the universe of the five Wisdom Buddhas(the rulers of the heavenly realms in the universe), while the Taizokaiwas for the five Wisdom Kings that protected each of them.