Together with the other three formulas, the Ahuna Vairya is part of the 'envelope' that liturgically encloses the Gathas, i.e. the hymns attributed to Zoroaster.
[2] As a primordial utterance, the Ahura Vairya is described to have talismanic virtues: the power to aid mortals in distress, and inversely as a potent weapon against the daevas.
In Vendidad 11.3, in addition to being "most healing", frequent recitation of the Ahura Vairya is prescribed as an act of hygiene to "protect the body".
(8.45.1) The Bundahishn, an 11th/12th century narrative of Zoroastrian cosmological myths, continues and embellishes the Avesta's description of the Ahuna Vairya as a primordial utterance.
Moreover, in articulating the formula, Ahura Mazda made his ultimate triumph evident to "the evil spirit" (Angra Mainyu), who then fell back "confounded and impotent as to the harm he caused the creatures of Ahuramazd" (1.29-30).
Given its syntactic density, scholarly agreement on a definitive translation, or even close approximation of its meaning, remains unlikely.
These two appointments are made with good mind so that acts of life are done for the Wise One, and the dominion of God is well established, in which the chosen person becomes the rehabilitator