I just recently saw the 1st episode on Animax Malaysia (hence Malay subtitles) and despite what some said, it wasn't too dark to watch and i can see things very well and the sound was okay. The animation was great, the fights fast-pace and bloody and the story at the end of the episode was a little cliche but i still like it. I going to watch the series and see how it goes.
PS. The Malay subs were good except they did they change Demon King(
Raja Syatain) to Ghost King(
Raja Hantu). Ghost King is kinda of a silly name but who am i to complain. As long the translation accurate, i wouldn't a mind a tiny change.
Also