Skandapurana 1.2.25.21

1.2.25.21

20 atha durgāhaste mahiṣāsuramastakesaṃlagnatāyāṃ devyā upadeśena durgayā khaḍgena śilāpaṭṭapāṭanapūrvakaṃ khaḍgatīrthaṃ nirmāya tatra nimajjanam, tannimajjanasamaye mahiṣāsurakaṇṭha-sthitaliṅgapatanam, tasya liṅgasya pāpanāśanasaṃjñayā khaṅgatīrthatīre sthāpanam, tato durgādevyā hastāttasmāttīrthādunmajjanasamaye mahiṣāsuramastakapatanam, atha pārvatyā durgādevyai śivabhaktamahiṣāsurahananārthaṃ nijānumatipradānātpāpaśaṅkāprāptyanantaraṃ pāpāpanodāya prāyaścittajijñāsayā gautamaprārthanam, tato gautamena kārtikapūrṇimāyāmaruṇā caleśvarajyotirdarśanaparyantaṃ tapaścaryākaraṇārthamupadeśakaraṇam, atha gautamopadeśena pārvatyā tapaścaryākaraṇam, tataḥ kārtikapaurṇamāsyāṃ dināṃte śrīśoṇācalaśikhare jyotirdṛṣṭvā pārvatyā śrīśoṇādrīśvarastutikaraṇam, atha tatkṛtastutisaṃtuṣṭena bhagavatā sadyaḥ susvarūparūpadarśanapūrvakaṃ jagadambāyāḥ pārvatyāḥ sāntvanavarṇanam. ... 253

20. Now, when Mahiṣāsura's head remained stuck to Durgā's hand, Durgā, by the instruction of the Goddess, splitting a stone slab with her sword, fashioning the Khaḍgatīrtha, and immersing herself there; at the time of that immersion, the falling of the liṅga situated on Mahiṣāsura's neck; the installation of that liṅga on the bank of the Khaḍgatīrtha under the name Pāpanāśana; then, at the moment of emerging from that tīrtha, the falling of Mahiṣāsura's head from the hand of the goddess Durgā; now Pārvatī, after experiencing apprehension of sin due to granting her own assent to the goddess Durgā for the slaying of Mahiṣāsura who was a devotee of Śiva, supplicating Gautama with the desire to know the expiation for expelling the sin; then Gautama imparting instruction to perform the practice of austerities until the darśana of the light of the Lord of Aruṇācala on the full moon day of Kārtika; now Pārvatī's performance of the practice of austerities according to the instruction of Gautama; then, seeing the light on the summit of the venerable Śoṇācala at the end of the day on the full moon of Kārtika, Pārvatī's praising of the Lord of the venerable Śoṇa Mountain; then the description of the Lord, pleased by the praise offered by her, consoling Pārvatī, the Mother of the Universe, by immediately granting darśana of his auspicious own form... 253