Zoroaster!/Setting

The Gods
Asura, Deva, Adeva

Ahura Mazda
Ahura Mazda (also known as Ahuramazda, Harzoo, Hormazd, Hourmazd, Hurmuz, Ohrmazd, 'Lord of Light', 'Lord', 'Spirit of Light' or 'Spirit') is the highest spirit. The god of wisdom, intelligence and harmony. Ahura Mazda is the uncreated spirit, wholly wise, benevolent and good, as well as the creator and upholder of Asha ("truth"). He has 101 names that define him.

Ahriman
Angra Mainyu, the omnimalevolent force hindering Ahura Mazda. The Corruptor, The Darkness. God of Darkness, Disease, Ignorance and Evil.

The Old Gods
The Primal Gods, mostly Elements and Nature Gods.