Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 29
Sanskrit:
प्रीतोऽविमुक्ते भगवांस्तस्मै वरमदाद् विभु: ।पितृहन्तृवधोपायं स वव्रे वरमीप्सितम् ॥ २९ ॥
ITRANS:
prīto ’vimukte bhagavāṁstasmai varam adād vibhuḥpitṛ-hantṛ-vadhopāyaṁsa vavre varam īpsitam
Translation:
Satisfied by the worship, the powerful Lord Śiva appeared in the sacred precinct of Avimukta and offered Sudakṣiṇa his choice of benedictions. The prince chose as his benediction a means to slay his father’s killer.