Daeva and Pairaka are the male and female Arch-Demon to the devil Angra Mainyu. The term arch-demon is used as a common term to denote the ranking amongst the Devil's hordes. Just as Ahura Mazda has 7 Ahuras aka arch-angels, Angra Mainyu has his 7 Daeva that are arch-demons. There are other daeva, divs, and druj as well. These are the levels and types of demonic entities that found within the Traditional Ahrimanic sorcery and spiritual path.
Zarathrustra chose to demonize the Vedic Hindu Deva as False or Wrong gods. He also did the same to some Persian gods as well. Through this we find chaos at the heart of undoing. This lecture will discuss the aspects of what Daeva are and what usefulness do they have in sorcery, mantra, and prayer.