The Ten Commandments

The Ten Commandments are powerful Demons cursed by Supreme Deity intended to humble and impede them by inflicting damage upon demonkind. Instead, the The Demon King banished them from Hell . Deciding to stick it to both of them, The Ten Commandments have twisted their curses to inflict great harm upon humanity in order to steal souls for themselves, allowing them to grow in power. 
Current known Commandments:

Shaxoxon - Purity - Anyone who commits an impure act will become wracked with endless pain.

Type

Secret, Occult