SB 10.66.29
prito ’vimukte bhagavams
tasmai varam adad vibhuh
pitr-hantr-vadhopayam
sa vavre varam ipsitam
Translation:
Satisfied by the worship, the powerful Lord Siva appeared in the sacred precinct of Avimukta and offered Sudaksina his choice of benedictions. The prince chose as his benediction a means to slay his father’s killer.