The Sword Immortal has long been a legend, leaving only the Nine Nether Wasteland, the ancient battlefield where the Sword Immortal fought. Countless people went to the wasteland to explore the secrets of the Sword Immortal, but returned in vain.
Nowadays, swordsmanship and airbending are prevalent, and swordsmanship has long been despised. Han Xuan's Dantian was damaged and he had no choice but to switch to the Sword Sect, but he discovered the secret of the Sword Immortal's technique using the Sword Sect's methods.
Riots broke out in the wasteland, and monsters reappeared in the world. Han Xuan cut through the sky and waves with one sword, flew into the sky and escaped to the earth with one sword, killed all the monsters and beasts, and flattened the wasteland, only to find that the wasteland was just a cage, a cage for mortals...
Who is the heroine of the author?