ABV: 15 percent One of the most sought-after beers in America, those lucky enough to try Dark Lord will find a bold, caramel-y imperial stout, with suggestions of chocolate and coffee in the nose, and dried fruit and brown sugar on the palate. It’s available at the brewery only one day a year, Dark Lord Day, which will take place on May 19, 2018.Three Floyds Brewing Company.