Designs for the new garrison system displayed interiors for various additions, including what appears to be your future inn and smithy.
Many of the new weapon, siege weapon, vehicle, and building designs were also shown. The visual look for the intimidating and aggressive Iron Horde has themes of metal, fire, and unabashed spikiness. Artwork of what appears to be a war barge could be Iron Horde in origin.
The panel also showed some of the wild fauna that we will encounter through the Dark Portal. Included were a crazy armless rodent, a vicious sunflower-esque sprite, and one very angry toucan. Trippy whales appear to be the evolutionary ancestors of Zangarmarsh's fungal giants. Curiously, the whale artwork is labeled "Zangar Sea." Massive void giants appear to be the bigger, voidier versions of void walkers.
Check out the full gallery of over 120 images below!
BlizzCon 2013 Art of World of Warcraft