Before I start:
If this does NOT get a second season the story is an 6 for me. If it DOES get one it could be and 10 (at least an 8,5)

First up the Music:
My only problem was that they used the (beautiful) intro song too much. When it came on (IN the episodes) I knew it so well I couldn't help anticipating the next tunes. What became annoying since it distracted me. Even though I skipped over the intro mostly. But someone that doesn't race through this as I did, maybe wound`t notice.

Acting:
I liked all of the acting accept the evil laughter. I swear I never in my live saw/heard an actor pull that off convincingly.

Story:
I liked the pace. No comedy thank goodness! Yes I agree it has a realism to it although some of the characters (like the king) where "too much" it reminded me of japanese movie characters.
This story makes a great first part (great building up (no chaos)) but if there is no second season it's really disappointing.

The quality of the show reminded me of an good (low key epic) american movie. It certainly doesn't look all the other chinese (historical) dramas I watched so far (no cheesy coloring and bad animations).
But the ending just isn't an ending. Not a good (written) one of any kind. Though I was glad that some characters ended so we could move on in S2.
So hopefully we GET a season 2! And SOON!

Rewatch Value:
It`s only 36 episodes if there is an S2 I am going to watch it again of cause!

Do I recommend watching this (without a season 2)?:
Yes!! Because I refuse to BELIEVE this ending! This is not the ending in my head. As a writer myself I know that how I think it would (and that it does at all) continue makes more sense. The intent and potential of the story is obvious. Except if that was an accident and the author is stupid. So if someone KNOWS that this is not the ending of the novel(s) PLEASE tell me!