Sūta said:: Their sons and grandsons were very powerful and irresistible. They could not be conquered in battle by the Devas, Dānavas, human beings, Yakṣas, Bhūtas (goblins) Piśācas (ghosts), Rākṣasas and good (powerful) serpents. Their death is not brought about by means of fire, weapons poison or other means.