Ahura Mazda first manifested seven divine beings called Amesha Spentas
This portal, the most important portal was where today is the Oman Peninsula, Musandam, that we call the portal of Ahura Mazda.
to Vind’yu, Ormazd;
Amesha Spentas: In Zoroastrianism, the Amesha Spentas are divine entities or spirits that assist Ahura Mazda, the supreme god.
Ahura Mazda, also known as Oromasdes or Ahuramazda, is an important god in Zoroastrianism, an ancient religion.
Back in ancient times, particularly during the Achaemenid period, which was around 550–330 BC, Ahura Mazda was highly revered.
Interestingly, there aren't many pictures or statues of Ahura Mazda from those times.
However, there was a tradition where every emperor had an empty chariot drawn by white horses, symbolizing the presence of Ahura Mazda during battles.
As time passed, images of Ahura Mazda were made but later removed during the Sassanid period due to religious beliefs.
Even though it is speculated that Ahura Mazda was a spirit in the Indo-Iranian religion, he had not yet been given the title of "uncreated spirit".
This title was given by Zoroaster, who proclaimed Ahura Mazda as the uncreated spirit, wholly wise, benevolent, and sound, as well as the creator and upholder of Asha.
Cosmology: Creation of the universe According to the Zoroastrian creation myth, Ahura Mazda existed in light and goodness above, while Angra Mainyu existed in darkness and ignorance below.
Ahura Mazda first manifested seven divine beings called Amesha Spentas, who support him and represent beneficent aspects of personality and creation, along with numerous Yazatas, divinities worthy of worship.
Ahura Mazda then created the material and visible world itself in order to ensnare evil.
Ahura Mazda created the floating, egg-shaped universe in two parts: first the spiritual (menog) and 3,000 years later, the physical (getig).
Ahura Mazda then created Gayomard and Gavaevodata:
Ahura Mazda created the universe and humankind
is the Avestan language name of the primordial bovine of Zoroastrian cosmogony and cosmology, one of Ahura Mazda's six primordial material creations and the mythological progenitor of all beneficent animal life.