Verse 19

प्रह्लादस्य त्वयं देहः पश्चिमः पावनो महान् ।आकल्पमिह वस्तव्यं देहेनानेन तेन च

In plain words

But this body of Prahlāda's is his last body, great and purifying; and it is with this very body that he must dwell here until the end of the kalpa.