Agni as the one divine power of creation is in fact the origin of the human race: "From thee come singers and heroes" (vi.7.

3).

The less weight is, therefore, to be laid on Bergaigne's 'fire origin of man'; it is not as simple fire, but as universal creator that Agni creates man; it is not the 'fire-principle'[11] philosophically elicited from connection of fire and water, but as god-principle, all-creative, that Agni gets this praise.
Several hymns are dedicated to _Indr[=a]gni_, Indra united with Agni; and the latter even is identified with Dyaus (iv.1.

10), this obsolescent god reviving merely to be absorbed into Agni.

As water purifies from dirt and sin (Varuna), so fire purifies (iv.12.