There were the Brahma-astra, Vishnu-astra and Pashupat-astra containing the power of Brahma, Vishnu and Shiva respectively. There were the Agni-astra, Vayu-astra and Indra-astra, reverberating with the power of fire, wind and rain respectively. The descriptions of the effect of these weapons have led to speculations that the ancients were probably familiar
