Shiva Purana

siva.sh/siva-purana/rudra-samhita/9/52

रुद्ररूपेण प्रलयं करिष्ये कार्यमुत्तमम् ।। चतुर्वर्णमयं लोकं तत्सर्वैराश्रमै ध्रुवम् ।। ५२ ।।

sanskrit

I will perform the highest act of dissolution in the form of Rudra. I will create the world of the four castes, and it will be established in all its eternal ashrams.

english translation

rudrarUpeNa pralayaM kariSye kAryamuttamam || caturvarNamayaM lokaM tatsarvairAzramai dhruvam || 52 ||

hk transliteration by Sanscript