Grantz is Baron Wulfenbach's monster hunter; she hunts monsters for him when they cause trouble. While this generally implies dealing with things such as rogue machines and beasts, it can also include people; for instance, she has indicated that she considers Bangladesh DuPree to be in this category. She appears to have unnatural strength; aside from wielding a sword far beyond normal size, she is able to carry an Imobilex Jug in one arm, something Sergeant Scorp notes that he would likely require a heavy caisson to assist with.