KNight-Blade: Howling of Kerberos () In 2077, after World War 4th, Cain Graywood, betrayed by the belonged force(army,troop) and having his fellows killed, enters the headquarter(center)of the force for revenge. But what was awaiting him was the strongest armored forces, with the forbidden super weapon "EX-ARMS". So goes the plot description of KNight-Blade: Howling of Kerberos, a thouroughly enjoyable SF game from the makers of RPG Maker XP.