It is only after many years of study and research that the apprentices are allowed to present a masterpiece to the Masters of their guild to prove their worth. The best apprentices are then accepted in the very exclusive corps of the Thermo-Priests, the keepers of the secrets of steam and of Dwarf technology.
Mixing Magic and technology, the Thermo-Priests are among the most dangerous troops of Tir-Nâ-Bor.