Yes it's the same movie and, honestly, i'm quite disapointed.
I'm not familiar with the RPG (none of the players i know play this game). I only read several reviews about it and also an article on Wiki:
So i wanted to see this movie in order to make me an idea of what a game could looks like. On this point, i must recognize that the movie gave me a good peak about the world of Aryth. The choice of the setting and the plot suit perfectly with the grim and dark mood of most of the scenes. The legates of the order of shadow are really well depicted.
But, despite this, i found the actor's play very superficial. A bit as these bad TV shows where the characters seems to like listening themselves talking...
Moreover, no climax at all! Maybe it was the producers'aim but the entire movie is fit with a slow and boring rythm. Hopefully, like i wrote before, the plot is interesting and helps to stay until the frustrating end of the movie: a lot question without response (the reason why Mag is wearing the mark of the prophecy, the link between Gaelen and the griffin herald, what became Crawlis and so on...)
BTW, even if i didn't like this movie, i think it's a good way to discover the setting of the RPG for those who, like me, havent' experience it;