The infamous May Von Tinkerton and her robot sidekick, Dr. Burton, travels Tyria in quest of knowledge and advancement to warfare machinery. Ms. Von Tinkerton believes that in order for Rata Sum to evolve into the world's leading superpower, it needs to improve its military technology using whatever means necessary. Together with Dr. Burton, they strive to catalyze the ascent of the Asuran race as the masters of war.