The first human (Gayomard) and the primal ox (Gavaevodata).
Gavaevodata was so beautiful, it attracted the attention of Angra Mainyu, the “bad” deity, who killed it.
Ahura Mazda then created Gayomard and Gavaevodata:
Gavaevodata: the primordial bovine
Gavaevodata was so beautiful, it attracted the attention of Angra Mainyu, the “bad” deity, who killed it.