Board Thread:Questions and Answers/@comment-174.61.194.117-20161004223044/@comment-29058994-20161005010339

...Uh...Where did you get that information? None of the media (light novels, anime, manga) ever said she knew where it was; it was simply a rare random drop she came across. She acquired it by accident when she fell into a trap beneath SBS Glocken and was forced to fight a boss monster she encountered. Due to a combination of luck, patience, incredible precision, and taking advantage of her surroundings and the boss's weak points, she defeated it and earned Hecate as a result. She even considered selling the gun and converting the profit to real time currency to pay for her subscription fees, but changed her mind after feeling its power and emotionlessness while using it in battle for the first time.