The Last Cultivator

5000 years ago, the Demon God led the demonic army in a great war against the cultivators. After years of war, the Demon God annihilated all the sects in the cultivation world. The entire world underwent earth-shaking changes because of this war. Professions like mages, knights, and nuns began to emerge, and this continent has become a world of magic. 5000 years later, a heavenly thunder awakens someone who had been sleeping within the Xuanyuan Wood