Bile reflux is common in individuals who have had surgery to remove their gallbladder or those who have undergone gastric surgery, including a total or partial removal of the stomach (gastrectomy) or gastric bypass surgery for weight loss.
XP: 2550. The Hammer May Fall is the first step in the Hammer May Fall quest chain that starts with Tallow in Tarren Mill. Though it starts in Hillsbrad Foothills, the whole quest chain takes place in Arathi Highlands, killing trolls and ogres.
Once you have gotten to the part of the Gunrunner side quest where you must travel underground to get into the building where Penguin is hiding his weapons, enter the large garage area and enter the room at the top to find the trophy.