The Phantom Sword and Dark Hero

Cheng Ge, a modern man, transmigrates into a wondrous world of immortals and martial arts. At first, his only mission is to find five Immortal Blossoms, turn back time, and save the people who were on the plane with him when it crashed. But as he and his companions search for the flowers, they gradually unravel the greatest mystery that has baffled the martial world for a thousand years. (If you enjoy the story, feel free to join the group: 291099596.)