evam-vidhāni - (phenomena) like this; anekāni - many varieties of; trāsanāni - fearful; amanasvinām - to the less intelligent men; sasṛjuḥ - they created; tigma-gatayaḥ - of heinous nature; āsuryā - demoniac; māyayā - by illusion; asurāḥ - the demons.

The demon Yakṣas are by nature very heinous, and by their demoniac power of illusion they can create many strange phenomena to frighten one who is less intelligent.