Verse 15

प्राह्लादीं तां स्थितिं विष्णुर्देवः क्षीरोदमन्दिरात् ।विवेद सर्वगतया धिया परमकान्तया

In plain words

That condition of Prahlāda's the god Viṣṇu came to know, from his abode in the Ocean of Milk, by his all-pervading and supremely radiant awareness.