Verse 18

विना प्रह्लादमथ चेदितरं दानवेश्वरम् ।करोमि तदसौ मन्ये देवानासादयिष्यति

In plain words

But if, instead of Prahlāda, I were to set up some other as lord of the dānavas, then, I think, he would go and fall upon the gods.