Whether it is the naked eye, infrared, or a space telescope, electronic long-range viewer, none can discern the light distortion of this device. Even when a laser beams directly onto a protected object, what is seen is a beam passing straight through, as if the target does not exist at all.
This instrument, deriving from optical Illusion Technique, quickly piqued Fatty's interest. As a soldier, he deeply understood the advantage of invisibility on the battlefield. In this era where technology reigns supreme, an invention can change the outcome of a war!
And to contend with superpowers so powerful they're unbeatable, the bandit army, lacking sturdy ships and powerful artillery, can only rely on this wisdom from the civilian populace! The guerrilla warfare tactic against the Imperial Army is— you have airplanes and cannons, I have landmines and tunnels!
