Matsya Purana 179.7

179.7

andhakāśca samutpannāḥ śataśo'tha sahasraśaḥ.
teṣāṃ vidāryamāṇānāṃ rudhirādapare punaḥ .. 179.7 ..

between Him and the demon That battle was fought in the Mahâkâla forest, in the district of Avanti The Lord was very much oppressed by the demon when the Lord Rudra discharged the weapon called Pasupata Out of the blood that gushed from the body of that demon by the blow of that formidable arrow, thousands of Andhaka demons sprang up, and the gore of those demons also similarly multiplied itself into hundreds of demons—2 7.