One of the things the team did was to for the first time create their concepts as 3D spaces, which meant that not only could the show's directors use them as a starting point for planning camera angles, but other artists could use them as the foundation for stuff like matte paintings.
You can see more of Karakter's art at their studio site. Note that while the art in this post is all Karakter's work, not all the designs necessarily are; Production Designer Deborah Riley, her team and other groups like the costume designers all contributed as well.
NOTE: BIG SPOILERS AHEAD IF YOU'RE NOT UP TO SPEED WITH THE SHOW
To see the larger pics in all their glory (or, if they're big enough, so you can save them as wallpaper), click on the "expand" button in the top-left corner.
Fine Art is a celebration of the work of video game artists, showcasing the best of both their professional and personal portfolios. If you're in the business and have some concept, environment, promotional or character art you'd like to share, drop us a line!