When an ancient legacy reappears and darkness devours space, the stars will shatter and Hell will awaken. Countless lives will perish in the annals of history, and blood will stain the wasteland. When the pentagram is reforged, the ancient God of War will return, order will be restored, and civilization will enter a new chapter. The male protagonist, Su Xiaofan, inherits an ancient legacy and takes command of the Diablo System, freely switching between warrior, mage, and summoner as he roams the planes of interstellar conflict. He also gains the abilities of the insect progenitor, Wutu True Locust, builds nests, and develops insectoid technology. In the end, he leads humanity, the insect race, the Mechanical Divine Race, and the Burning Legion from an unknown universe into a great decisive battle.