The First Saint of the Seven Realms

[No system, genius flow, fast-paced and cool writing] In the ancient times, the Immortal Ancestor wanted to dominate the world. The six tribes of humans, monsters, demons, spirits, underworld and witches resisted. During the war, the Tianzhu collapsed and was divided into seven realms. Time flies, and millions of years have passed. Zhou Xuan, who came out of the human world, was the first genius in the seven worlds in millions of years. Also the first saint.