Mahabharata 3.192.26

उत्सादनार्थं लोकानां धुन्धुर्नाम महासुरःतपस्यति तपो घोरं शृणु यस्तं हनिष्यति

utsādanārthaṃ lokānāṃ dhundhurnāma mahāsuraḥtapasyati tapo ghoraṃ śṛṇu yastaṃ haniṣyati

Our plain-language meaning of this verse is waiting for scholar review.