Shitenno, Hachi Bushu, Juniten, Junishinsho and Nijuhachi Bushu are known as the group of deities that aim to enhance the power of protecting Buddhism as guardian deities by gathering several deities.
数尊を集めて護法や守護神的な威力を高めたものとして、四天王・八部衆・十二天・十二神将・二十八部衆などが挙げられる。