Shiva Purana

siva.sh/siva-purana/saturda-samhita/17/1

शृण्वथो गिरिशस्याद्यावतारान् दशसंख्यकान् ।। महाकलमुखान् भक्त्योपासनाकाण्डसेवितान् ।। १ ।।

sanskrit

Now listen to the first ten incarnations of Śiva beginning with that of Mahākāla. They are resorted to with devotion and explained in Upāsanākāṇḍa.

english translation

zRNvatho girizasyAdyAvatArAn dazasaMkhyakAn || mahAkalamukhAn bhaktyopAsanAkANDasevitAn || 1 ||

hk transliteration by Sanscript