Shiva Purana

siva.sh/siva-purana/kotirudra-samhita/23/36

यातनां सोनुभूयैव पश्चान्मोक्षमवाप्नुयात् ।। पातकं योऽविमुक्ताख्ये क्षेत्रेऽस्मिन्कुरुते ध्रुवम् ।। ३६ ।।

sanskrit

After experiencing the torment he attains liberation. He who commits sin in this field called Avimukta is certainly guilty.

english translation

yAtanAM sonubhUyaiva pazcAnmokSamavApnuyAt || pAtakaM yo'vimuktAkhye kSetre'sminkurute dhruvam || 36 ||

hk transliteration by Sanscript