अग्नि , revered and praised as the divine messenger and sage, plays a central role in sacrifices by conveying offerings to the gods [rv-8-39-1 ] rv • Book 8 . His presence ensures the elimination of adversaries [rv-8-39-2 ] rv • Book 8 , bestows happiness, prosperity, and tranquility [rv-8-39-4 ] rv • Book 8 , and unveils riches [rv-8-39-6 ] rv • Book 8 . Agni's powerful deeds and divine knowledge make him central to worship and fulfillment of desires [rv-8-39-9 ] rv • Book 8 .