The मरुत्स् , powerful sons of रुद्र , are praised for their stormy, rain-shedding prowess and revered as protectors providing prosperity through sacrifices [rv-8-20-2 ] rv • Book 8 . They journey across the horizons with gleaming chariots, shaking both heaven and earth [rv-8-20-4 ] rv • Book 8 . Appeased by offerings, they bestow strength and health, bringing medicinal gifts from land and sea [rv-8-20-24 ] rv • Book 8 .