Guarding the Three Realms for Millions of Years, Only to Be Exterminated When He Returned?

[Ancestral Dragon] + [Micro System] ➕ [Invincible] + [High-burning Revenge] + [Violent Darkness] + [Ultimate Great Coolness] + [Crazy Kill Kill Kill] The ancestor of the dragon clan threatened the rule of heaven by killing to prove the way. In order to eliminate this threat, Tiandao recruited the ten strongest men in the three realms and forced the Dragon Ancestor to go to the River Styx alone to suppress the Wu clan for millions of years for the three realms. The Dragon Ancestor originally thought that the Three Realms would use the resources of the heavens to support the Dragon Clan, and that the descendants of the Dragon Clan could live forever for thousands of generations. But he didn't expect that the result of his persistence for millions of years would be the news that the dragon clan was about to be exterminated. … … On this day, Dragon Ancestor Ao Tian picked up the Divine Sword of Burying Heaven again, the Nantian Gate was shattered, the seal connecting the Styx River to the Three Realms was lifted, and the Supreme Emperor Ao Tian descended with the Chaos Emperor's troops. However, Tiandao has already been wary of him. As soon as he takes action, the strongest King Zha directly sends the strongest Holy Tradition Dao Ancestor in the three realms to hunt down the Dragon Ancestor! At this time, a young human race from the future world came to the Three Realms with the "Death in a Place" system. [As long as you die, you can gain a lot of cultivation and be resurrected ten thousand times! The time traveler frantically seeks death and joins forces with Dragon Ancestor Ao Tian. At the end of the fight, all the Tao clan in the three realms were wiped out, the demon clan was completely dead, and the witch clan was also dead. At this time, Dragon Ancestor was stunned to realize that the dragon clan was also dead, not a single one was left! Only the human race is alive and well! …