Belial

Belial is a term in the Hebrew Bible/Old Testament which later became personified as the devilSee the reference to "Beliar" in The Ascension of Isaiah, at  EarlyChristianWritings.com, specifically at 1:8–9, 2:4, 3:11–13, 4:2, 4:14–18, 5:1, 5:15. in Christian texts of the New Testament. 

The term has been spelled differently such as Baalial, Balial, Belhor, Beliall, Beliar, Berial, Bylyl and Beliya'al. 

In the Secret Book of John, the ruler of the underworld is known as Belias.

References

Category:Demons