Since they’ve been hammering that “Lancelot is evil in public’s eye” I’ve been wondering if Guren, the KMF that ‘defeated’ it, is seen as a hero. Hence while it achieves high-level performance, its energy consumption rate is about 10% higher than the previous model.” Guren Special Type which is the latest model of Guren, the flagship of Black Knights, was developed on the premise that it would operate in environments where sufficient energy supply is attainable. Originally used for rebels’ resistance activities, Guren type was designed to operate even in environments where there isn’t enough energy supply. "While retaining some of its features such as high maneuverability and unique weapons, which are the advantage of Guren type, it’s been redesigned to accomodate for energy supply. There’s a rumor that a section chief from a private company is involved in its development, however the truth is uncertain.“
After that, the construction of the machine is allowed by adding “sin” to its name. However in order to evaluate the machine performance, it’s continued to be developed under codename "White Fang”. The name Lancelot and its design were known throughout the world as the favorite KMF of Kururugi Suzaku who served Demon Emperor Lelouch, hence its image is the worst. “Lancelot which design is reverted to its original function as a weapon for guiding. Translated bits and pieces I found informative.