Shadow Guard (シャドウガード, Shadō Gādo), also known as Defense Command K08 (ディフェンスコマンドＫ０８, Dīfensu Komando Kē Zero Eito) is a game exclusive Keshin block hissatsu technique introduced in Inazuma Eleven GO 2: Chrono Stone.
In Inazuma Eleven GO Galaxy, its power is a reference to the number of possible values of a single 8-bit integer (from 0 to 255). The number 256 appears frequently in computing-related contexts as a result.
