The term "Fire Caste" refers to a specific group within the fictional universe of the Warhammer 40,000 tabletop game. This caste is primarily associated with the Adeptus Mechanicus, a faction known for their technological prowess and worship of the Machine God. Members of the Fire Caste are often skilled in the use of advanced weaponry and are responsible for the maintenance and operation of various combat machines. In the lore, the Fire Caste is characterized by their dedication to warfare and defense, often serving as elite soldiers. They are equipped with powerful armaments and are trained to protect their domains from threats, embodying the martial spirit of their faction. Their role is crucial in the ongoing conflicts that define the Warhammer 40,000 universe.