Hounds of Hell

 The Hounds of Hell is a faction mentioned in The Armageddon Rag, Vol. 4

Background
The Hounds of Hell is a faction who are at odds with the raider faction known as the Torn Sky. 

Appearances
The Torn Sky are mentioned only in The Armageddon Rag. They were likely to appear in Fallout Online, the original Project V13; this was abandoned in favour of an unrelated project by the same name.