Going Against the Wind and Overthrowing Three Thousand Worlds

[No system + no harem + fast upgrade + tight rhythm] After the war between immortals and demons, the immortal world suffered a disastrous defeat. All three thousand worlds fell into the hands of demons. The orthodox cultivation inheritance was completely destroyed. Even the name became a taboo. The people were in dire straits, all industries were in ruins, and mortals were reduced to slaves and livestock for the demons to drive for their entertainment. "Marquis Wu'an... Marquis Wu'an..." Qi Jing'an, the great general of the Holy Territory Kingdom, spent his whole life as a soldier, opening up and expanding the territory of the Holy Territory Kingdom and relieving internal and external troubles. However, he died young at the age of twenty. As calls sounded in his head, he said confusedly: "Who is calling me?" "Marquis Wu'an, go and save the people of Three Thousand Worlds." When he opened his eyes again, he was shocked by the sight before him. The blood-colored runes hung in front of him, and it was particularly difficult to breathe. His white wrists were tightly grasping his neck, and he muttered viciously: "If you dare to become a demon, you will die without a burial place." Qi Jing'an: "..."