I Picked up Another Me in Gaowu

Among the ten thousand realms, the human race controls the twelve eternal true realms - the true holy land among the heavens, which will never be destroyed. Under the true world, there are nearly a thousand worlds. In every great world, there are countless sects standing in line, and countless geniuses vying for power. The Kunlun lineage is rooted in one of the eternal true realms. The orthodoxy of Taoism has been passed down through the ages. Among the ancestors of the past generations, some cut down the stars with a sword, and some opened up the void with a thought. And it all started until the death of a certain big shot, and his most precious treasure, the Kunlun Mirror, wandered in endless time and space...