Mirror Shield (ミラーシールド) is an area of effect spell that utilizes Systematic Magic. It reflects all the electromagnetic waves coming from the other side of the shield.[1]
Due to its nature, it reflects the light bullets from the Laser Sniping. It is a natural counter to Laser Sniping. Lina’s “Mirror Shield” is capable of deflecting projectiles straight to the ground in order to spare allies from being hit by the recoil. Canopus’s “Mirror Shield” is able to reflect the projectiles at nearly a 180-degree angle.[2]