Matsyapurana 6.29

6.29

avadhyāḥ sarvadevānāṃ gandharvoragarakṣasām
ye hatā bhargam āśritya tv arjunena raṇājire //

This class of Nivâta-kavacha demons that was made invulnerable to the Devas, demons and serpents, was ultimately destroyed by Arjuna—a hero of Mahâbhârata—by the grace of Śiva.—29.