The Shinto book further explains that Ninigi, the sun goddess's grandson who descended to earth (Ninigi no mikoto in Chronicles of Japan), is a deity of a vajra or a mallet decorated with nu (gems), and that he is 天杵尊, also known as Kidoku-o, who has pacified the land using the mallet as a weapon.
更に天孫降臨したニニギ（『日本書紀』では瓊瓊杵尊）を瓊（宝石）で飾られた杵（金剛杵）の神と解し、「杵」を武器に地上平定する天杵尊、別名杵独王とした。