This was a difficult one to get into. A young, beautiful protagonist who is, at least initially, a member of a mercenary company that is only mostly shamelessly rips off Glen Cook’s Black Company (here, the unimaginatively named Free Company of the Sword), who happens to be a genetic sociopath. If there is a success here, it is in succeeding in duping the reader into thinking that – because he is good looking (yes, even when we can’t see the person, we are predisposed to think good looking people are better people) and is clearly set up as the protagonist – we are rooting for the good guy. Not that Spark doesn’t give us ample reason to mistrust that instinct (including pretty severe addiction problem – drugs and alcohol – that not infrequently has him puking all over himself).
About midway through, one character actually gives voice to that mistake, albeit inside her own head. Someone so beautiful must be good. And we are dragged along. It helps that the most mistrustful folks, the handful of members of the aforementioned Free Company who survive a bloodbath that takes place about one third of the way through, a portrayed as grimy, not very good looking, and very… human, in an icky and mortal way. So we don’t really trust them the way we do the good looking sociopath.
Admittedly, by around the final third, pretense has been dropped and the ‘hero’ is revealed as tramautized, sociopathic, man-child with never properly explained powers (he’s descended from some kind of god-like and also deranged hero of ancient legend).
I’m making this all sound more literary and successful than it is. Because it’s hard to feel super invested when you really don’t like anybody enough to care too much what happens to anybody and come to the conclusion that, with the exception of one (former) high priestess (who is too damsel-in-distress-y for my tastes), that the moral arc of the universe would be just fine if every significant character to whom the author introduced you were swallowed by a meth alligator.