Skanda Purana 6.2.85.69

6.2.85.69

68 atha piśāceśvaraliṃgamāhātmyavarṇanam, somanāmakasya śūdrasya durācāratvātpiśācatvaprāptivarṇanam, tatra piśācasya śākaṭāyanasya vrāhmaṇasya ca saṃvādavarṇanam, śākaṭāyanavacanātpiśācatvato muktihetormahākālavane gamanama, tatra liṃgaṃ saṃpūjya tasya piśācasya mokṣaprāptiḥ, piśāceśvaraliṃgamāhātmyavarṇanama.. 148

68. Now, the description of the māhātmya of the Piśāceśvara liṅga: The description of a śūdra named Soma turning into a piśāca due to bad conduct; therein, the description of the dialogue between the piśāca and the brahmin Śākaṭāyana; going to the Mahākāla forest on the word of Śākaṭāyana for the sake of release from piśāca-hood; having worshipped the liṅga there, that piśāca's attainment of liberation; the description of the māhātmya of the Piśāceśvara liṅga. (148)