The core rule of this game is "the cost of war". Every time the protagonist Xiao Chen takes action and every time he protects, it will evoke his painful memories of past wars (PTSD) and constantly trigger new "wars". The peaceful life he pursues constitutes a fundamental contradiction with his identity as the God of War. His golden finger (god of war identity) is both a weapon to protect his family and a curse that drags him back into the abyss of war.