Vaishampayana said "That delighter of the Yadus then proceeded to the hermitage (of Vaka) resonant with the chaunting of the Vedas. There the great ascetic, O king, named Dalvya-vaka, poured the kingdom of Dhritarashtra, the son of Vichitravirya, as a libation (on the sacrificial fire). By practising hard penances he emaciated his own body. The greatly energetic and virtuous Rishi did it being worked up with great wrath.
वैशम्पायन उवाच ब्रह्मयोनेरवाकीर्णं जगाम यदुनन्दनः। यत्र दाल्भ्यो बको राजन्नाश्रमस्थो महातपाः॥ जुहाव धृतराष्ट्रस्य राष्टं वैचित्रवीर्यणः। तपसा घोररूपेण कर्षयन् देहमात्मनः॥