This has to be hands down, one of the most balls to the wall crazy books I've read this year, if not for a very long time. I honestly don't even know what to tell people what to expect here, given how absolutely strange things are here. The best comparison I can give is that this is a lot like what you'd expect to find on FanFiction.net, where you can expect absolute and complete random-ness to pop into a book at any given point in time. 
 The book's general gist is more than a bit laughable, given what's in the book: that Satan caused 9/11, that you have Viking vampire angels ("vangels"), Lizzie freaking Borden is a vangel, and so on. This is pretty much wish fulfillment pure and simple, given that you have the lead heroine willingly agreeing to help decorate and help repair a castle in Transylvania, Pennsylvania despite her captor/love interest chomping at the bit to chomp at her neck. The book even dares to have a baby vamp ask Alex why she's so mean to her love interest, despite her never really actually being that mean to him at that point in the book. Given that the guy is holding her captive against her will, her helping him prepare for a big vampire gathering is actually pretty damn nice. Most people would have been spraying bear mace into the guy's face and sharpening up a stake, especially when the guy decides to crawl into her bed and spoon her. 
 I still have to giggle at the idea of vampire angels. I did come up with something similar in my youth, but in all fairness I was about twelve and my vampires looked like Joey MacIntyre from New Kids on the Block. If I'd ever written them out there my OC would've been riding a winged unicorn. OK, OK, I kid. The premise of this isn't really all that abnormal and there's been similar enough works where a deity has enlisted vampire (or vamp like critters) to their cause. It's just that I've never seen one quite like this before. 
 In the end I can't really hate KoP, although I do think it's ridiculous. It's sheer wish fulfillment wank fodder for PNR readers and it never actually tries to hide that. If anything, Hill seems to embrace this full on, something I can actually respect. If you're going to go ridiculous, why not go whole hog? It's just that this is so silly that I can't help but make fun of it. I won't be reading the series, although I might read book 7 just so I can read about a time traveling Viking vangel going to a dude ranch to fight ISIS. Yes, that is the plot of book 7. 
 On a side note, I do have to laugh at the ending. I skipped forward and there's (view spoiler)[Vikar visiting a great grandson (or however distant he is related-wise). Despite the fact that the guy is on his death bed, has known him for about ten minutes tops, and sees his angel wings, the old man trusts Vikar enough to write out a last minute deathbed will that grants Vikar custody of two babies, likely his grandchildren. That's a huge plot point there delivered in about two pages so the book can end babies ever after. (hide spoiler)] 
 Oh, and I have to make a further mention - in the book Vikar has a halo around his dick. It made me think of this musician's album cover: 
 If you haven't watched any of Joshua Michael's stuff I recommend it. The stuff is pretty awful and relatively unaware that it's awful, but that's what makes it so amazing.