A group of roughly 200 rogue angels, led by figures like Samyaza (or Semjaza) and Asael (Azazel), swore an oath upon Mount Hermon to descend to Earth. Forbidden Knowledge: According to these texts, the Watchers corrupted humanity by teaching them forbidden arts—including metallurgy, weapon-making, astrology, cosmetics, and sorcery. Watchers in the darkness of the underworld/abyss until the final Day of Judgment, while the spirits of the dead giants became the source of earthly demons.