Thereupon that foremost of righteous persons, viz, Vasishtha, practised very austere penances, and, causing those Rakshasas to be killed, ascertained the true course which Muchukunda was following.
तत उग्रं तपस्तप्त्वा वसिष्ठो धर्मवित्तमः। रक्षांस्युपावधीत् तस्य पन्थानं चाप्यविन्दत॥