Matsyapurana 162.2

162.2

hiraṇyakaśipoḥ putraḥ prahlādo nāma vīryavān
divyena cakṣuṣā siṃham apaśyaddevamāgatam //

Sûta said—Mahâtma Prahlâda, the son of Hiraṇyakaśyapu, saw with his supernatural vision that hidden within Narasiṃha, who came like the cycle of death, there was Lord Viṣṇu as cinders are embedded in the ashes. He was not the natural lion but Hari the Lord of the Devas Other demons, along with Hiraṇyakaśyapu, were highly astonished to see Narasiṃha whose body was very extraordinary and who looked like the mountain of gold—1 3