Fanaticism can be just as dangerous as fire. Spreading like fire, it could spark rebellion and could lead towards violence. As a way to curb devotion to the abstract, king Hareth of Garilroot asked his Mages to come up with a solution for those too invested in an ideal.
For a futuristic grim gory setting. Probably powered by some kind of dilithium battery or something similarly awesome. Anyways, basicly a big drill sticking up from a hilt that you primarily use for skewering enemies painfully and drilling through armor.