Agnipurana 67.3

67.3

sahasraṃ nārasiṃhena hutvā tāmuddhared guruḥ /
dāravīṃ dārayedvahnau śailajāṃ prakṣipejjale //

having offered a thousand oblations with the Nṛsiṃha mantra, the guru should remove it. / A wooden image he should burn in fire; a stone-born one he should cast into water;