Sigil: City of Doors

So I was going to roll this out as part of a big package, but I think I need to do an update this weekend and would like to get this bundled into it. So with that, I present to you, (almost) straight from the Book of Exalted Deeds, the....

Slayer of Domiel

Details can be found on the Wiki. In addition, two new background feats are introduced: Sacred Vow (which is a requirement to take this class) and Unhallowed (the evil equivalent that future PRCs may require).