大佛頂如來放光悉怛多般怛羅大神力都攝一切呪王陀羅尼經大威德最勝金輪三昧呪品 1.8

1.8

At that time, the World-Honoured One silently accepted them. Then the bodhisattvas, devas, dragons, ghosts, spirits, and the ṛṣis with the five superknowledges each expounded before the Buddha the conditions of the divine mantras they had obtained in past lives. As they pronounced their mantras, each manifested the divine form of their original mantra, completely filling the empty sky without any vacancy.