Shiva Purana

siva.sh/siva-purana/kotirudra-samhita/16/52

एतत्सर्वं समाख्यातं महाकालस्य सुव्रताः ।। समुद्भवश्च माहात्म्यं किमन्यच्छ्रोतुमिच्छथ ।। ५२ ।।

sanskrit

O great ones with good rites, the origin and the greatness of Mahākāla has thus been narrated to you. What else do you wish to hear?

english translation

etatsarvaM samAkhyAtaM mahAkAlasya suvratAH || samudbhavazca mAhAtmyaM kimanyacchrotumicchatha || 52 ||

hk transliteration by Sanscript