The Wild Dweller Leggings are in the Temple of Doom in the bandit camp. The Wild Dwellers Cuirass is in one of the chests near where you first teleport to on Sentinel Island, in the building before you go outside (across from the other chest containing the Blood Echelon Cuirass). Return to the building and take another look around.
Armor sets (DKS)At the top left of each individual forum index page (such as the DKS/FoV
Help/Tips/Tricks forum), below the banner and text menu, above the list of topics, there is a 'New Topic' button (left of the 'Forum Options').