One verse

Srimad Bhagavatam 4.10.28

4.10.28

एवंविधान्यनेकानि त्रासनान्यमनस्विनाम् । ससृजुस्तिग्मगतय आसुर्या माययासुरा: ॥ २८ ॥

evam-vidhany anekani trasanany amanasvinam sasrjus tigma-gataya asurya mayayasurah

evam-vidhani
(phenomena) like this
anekani
many varieties of
trasanani
fearful
amanasvinam
to the less intelligent men
sasrjuh
they created
tigma-gatayah
of heinous nature
asurya
demoniac
mayaya
by illusion
asurah
the demons.

The demon Yaksas 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.