Shiva Purana

siva.sh/siva-purana/kotirudra-samhita/10/51

इति वश्च समाख्यातं माहात्म्यं परमाद्भुतम् ।। महाबलस्य गिरिशलिंगस्य निखिलाघहृत् ।। ५१।।

sanskrit

Thus the extremely wonderful glory of Mahābala, the phallic image of Śiva, has been narrated to you. It dispels all sins.

english translation

iti vazca samAkhyAtaM mAhAtmyaM paramAdbhutam || mahAbalasya girizaliMgasya nikhilAghahRt || 51||

hk transliteration by Sanscript