Verse 21

तस्मात्तमेव गत्वा तु दैत्येन्द्रं बोधयाम्यहम् ।गर्जन्गिरिनदीसुप्तं मयूरमिव वारिदः

In plain words

Therefore, going to that very lord of the daityas, I shall awaken him — as a thundering rain-cloud wakens a peacock asleep by a mountain stream.