Matsya Purana 140.35

140.35

tāmeva tu viniṣkramya śaktiṃ śoṇitabhūṣitām.
vidyunmāliṃ samuddiśya cikṣepa pramathāgraṇīḥ.. 35 ..

Thus struck, Nandi took that javelin out of his breast and struck it besmeared with blood, with great force against his opponent Vidyunmālī, hit by it in the armoured chest, fell down to the ground like a mountain rolling down by the blow of the thunderbolt On the death of Vidyunmālī the Siddhas and the Kinnaras adored Śiva and cried out "Victory! Victory!"—35-37