It's very good. Found it completely compulsive. Too compulsive. There's a lot of cool story stuff but I'm not sure if there's enough depth to the characters or the tale to justify the insane amount of time I put into it. In the end even though there was much to recommend about the whole experience and I do love many of the characters, I felt ever-so-slightly cheated. I think the experience may have been better if it took me longer to defeat the final boss the first time: much of the story content is better experienced before this point than after. Don't optimise your first few runs, just figure it out as you go.