The Mask of Horror is a valuable artifact which belonged to Gnomes during Era of Change. Mask of Horror, just like other artifacts such as Bravado Helmet, Path of Valor Statuette, The Klesh Sarcophagus and the Goblet of Baddukh, is very valuable for antiquarians. If you give Mask of Horror to your local antiquarian, he'll reward you with Contaminated Flying Dust. You will also get 20 reputation of Relic Seekers, up to 2500. You can obtain Mask of Horror in various ways: 1. Gnome Runes counterfei...