"Such a boon is asked by me, as will render me incapable of being killed by either the celestials, the Danavas the Yakshas or by the snakes, Gandharvas or Rakshasas.'
देवदानवयक्षाणां सर्पगन्धर्वरक्षसाम्। अवध्योऽहं भवेयं च वर एष वृतो मया।॥