While it is common practice for soldiers and hired mercenaries to use a wide range of equipment to survive in the changing conditions of combat, its rare for anyone to make adjustments beyond the attachments its designed to use. Sometimes, those with advanced engineering skills take an unnatural obsession to it, continuously tinkering with it so it becomes a physical mirror of its owner. Their desires are molded onto its shell, and their tool's specifications are crafted in a way to aid how their owner plans to attack, and all too often the pair of them become a deadly team.