During the later stage of Vedic era, when Purana, Vedanta and Itihas (Epics Ramayana and Maha Bharath) literatures emerged the importance of the basic nature elements Agni, Varuna, Vayu and Indra in the literature decreased.
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The devas’ who were the personification of the basic natural elements, Agni (fire), Varuna (water), Vayu (air) went uncoordinated and havoc spread in the universe, As Indra (ether) was not able to administer and coordinate the Pancha bootha.
Vayu | Vayu Purana | Vayu (Prana) |
In keeping with Hindu tradition of temple architecture, the outer walls of the temple complex are adorned with statues Ashta-Dikpalas like, Indra, Agni, Vayu, Varun & Ishan in the cardinal directions.
In a test of strength between Adiseshan and Vayu, 5 gems are said to have gotten scattered from the head of Adisesha.
During Dvapara Yuga, Adisesha blocked Vayu from entering Vaikuntam as Lord Vishnu was in the company of His consort, Lakshmi.
According to Vayu Purana and Matsya Purana, river Chakshu (Oxus or Amu Darya) flowed through the countries of Pahlavas, Tusharas, Lampakas, Paradas and the Sakas etc.
Verethragna, Rāman, Vāta are respectively the hypostases of victory, the breath of life, and the (other) divinity of the wind and 'space'.