A new Middle-Earth: Shadow of Mordor video goes in-depth with the actors working on the title. Shadow of Mordor Features Troy Baker as the ranger Talion and Alastair Duncan playing the ghostly Celebrimbor. In the-behind-the scenes clip, the actors discuss the complex relationship of their characters.

Voice actor Baker is known for roles such as Joel in The Last of Us, the Joker in Batman: Arkham Origins, and Booker DeWitt in BioShock Infinite. Duncan Voice previously voice in other games including Metal Gear Rising: Revengeance and the Mass Effect series.

“What’s so interesting about the character was that level of mystery that my character has, the voyage of discovery that the player is going to go on with my character through that game and with Talion” said Duncan. “We are very separate characters in this, but our characters are melded at times. The interesting part is when we are separate and we’re either in conflict or trying to make a plan or moving forward through something or discovering things about ourselves.”

Baker said, “there were challenges with developing the characters individually and also how those two would work in concert with each other, because not only narratively but systemically we have to establish that. You never want to do anything that, from a narrative aspect, doesn’t support gameplay and in turn we don’t want to make gameplay in stark contrast to the story.”

Shadow of Mordor is an open-world single-player game, with players controlling Talion, a ranger with Wraith-like powers, such as being able to teleport and control enemies. The game features a new Nemesis system where each enemy you face has unique attributes with their own personality, strengths, and weaknesses. Enemies learn from their experiences and can even grow in rank and esteem. The Nemesis system will be scaled back for the Xbox 360 and PlayStation 3 versions of the game compared to the current-gen and PC releases

Warner Bros. recently announced it will launch Shadow of Mordor one week earlier than previously dated. Middle-earth: Shadow of Mordor will now launch September 30 for Xbox One, PlayStation 4, PlayStation 3, and Xbox 360, with a PC release on October 2.