Gates of Sothann[73, 75] is an area within the Darkwhisper Gorge that belonged to the Burning Legion then taken by force by the Twilight's Hammer. The cult then began to alter the landscape and build their structures when Garnoth, Fist of the Legion and his army slaughtered the cultist and took back which was theres.
Commander Jarod Shadowsong and Presence of Cenarius can be found here.