1.5 stars. It had some moments but not enough of them. 
 I'm not really sure how to feel about this one. It supremely bothers me when characters are purposefully obtuse. Like just fucking tell people what's happening! Constantly having lies and convulsion to further the plot is just lazy writing in my opinion. While there were a few things I liked in Immortal Rider, most of it was either contrived or abominable. 
 Our leads in this installment are Arik and Limos (AKA Famine, The Third Horsewoman of the Apocalypse.) I wanted to like them. I really did. There were some moments that were lovely between them. But did I really love them? Nope. 
 Like I mentioned previously, this was a super convoluted plot. Basically, Limos is engaged to Satan and, in order to get out of having to marry the guy, she needs to have a husband who can break her chastity belt and take her virginity. You read that right... I said CHASTITY BELT! It's really stretching to get that to make sense. I mean its Satan... why would he care either way about her hymen? How does Arik rationalize jumping up to marry Limos after knowing her for about a few months? Mind you an entire month was spent apart on account of him being repeatedly tortured in hell because of Satan's jealousy. But I digress... there was a lot of other side plots going on here that just made everything feel like lazy writing. I think if just picked one plot line was chosen to be the main focus and really invested the time in developing the one thing, it may have ultimately saved the book. There was just too much going on for anything to really be fully fleshed out. But alas, we cannot always get what we want. 
 As for the smut... not good. There's really not enough of it and what we got was disturbing. Which brings me to the abominable thing that I really took issue with... (view spoiler)[ The Aegis sends Regan to seduce Thanatos because of some scroll that said his kid would save the world. I don't have a problem with that premise as a set up for the next book. My problem is the fact that Regan RAPES Thanatos. You read that right, it's totally a rape. She got him drunk, restrained him (accidentally), and proceeded to have sex with him even though he said no over and over. THAT'S THE TEXTBOOK DEFINITION OF RAPE! The icing on top, she's pregnant. The cherry on top, they are actually love interests in the next book. WHAT IN THE ACTUAL FUCK! If the situation was reversed we would all be up in arms about this! There was another attempted rape scene earlier on that was man on woman and it was stopped because "no one deserves that." I don't know how Larissa Ione didn't know that her Thanatos and Regan scene was rape. And if she did, she should be ashamed. (hide spoiler)] And this is why it lost 3.5 stars for me! 
 P.S. Does anyone else think that Reaver is actually the father of the Horsemen?! I'm calling it! 
 P.P.S. I'm intrigued by Tavin. He was a briefly mentioned character in Sin Undone and now we actually meet him as a side character. I'm curious about him I would like to see him pop up in other books down the line.