Kinda enjoyed the movie version better but the MC is much more vain and self-absorbed than Clooney ever seemed (which says more about his acting, I guess) so it's harder to relate to him in the book.
The lore isn't all that interesting as a whole but I'm sure if he'd been able to complete it it would make sense. As it is, this is to blame for all the fantasy authors who Care Too Much about their world and think their readers care as well.
Almost as good as the first Mark Manson book, if less life-changing. I want everything in the self-improvement genre to be written as beautifully no nonsense as he writes it.