I have the oddest hangup about this show, and that is I feel the first season told the most interesting story already, the story of Ascheladd. With that arc wrapped up, there is pretty much no one else who seems that interesting.
I loved the show, but have no real motivation to watch the rest of it when it finally comes out.
But yeah, defiantly worth watching.
I was like you, I didn't know what they can tell us with the story. I was reading the manga and I really like it, but it took a big change with all, it feels like reading another manga