Apocalyptic Wasteland Era of War

Twenty years after the outbreak of the war, the ecology suffered large-scale destruction, vegetation and wild beasts disappeared in large areas, and ruins and wilderness were everywhere. Most of the humans at the bottom could only eat roasted rats to satisfy their hunger, and ordinary people could barely maintain food and clothing. In these 20 years, three major forces gradually rose up and controlled the world. The amnesiac Ling Feng discovered the villain's conspiracy while searching for his memory. How will he crush the conspiracy and save the world in this wilderness?