Ramayana
ततो रक्षो महानादान्मुक्त्वा हन्ति स्म वारुणान् । नानाप्रहरणोपेतैर्धारापातैरिवाम्बुदः ॥ 7-23-48 ॥
Then the rakshasa, letting loose great roars, slew the followers of Varuna with manifold weapons, as a rain-cloud pours down its torrents of rain.
english translation