Lone Sword, Twin Paths

Twenty years ago, after the battle at Sword Sect, the world's greatest swordsman, Shen Canglan, vanished with a volume of the Lone Sword Manual at Duanhun Cliff, and no one ever saw him draw his sword again. Twenty years later, a young man in white appears by the cliff—Shen Nianqing. He carries a sheathed sword on his back and walks out from a sea of clouds; the world takes him for a nobody. He does not know why he was born, remembering only his master's dying words: "Your sword is not meant to kill." Then he meets two people in the jianghu—one is Lu Zhao, a young swordsman of godlike skill: "I want to defeat every sword under heaven, but the one I do not want to defeat is yours." The other is Jiang Wan, a woman who hides her name and excels at strategy; smiling, she lays the entire chessboard before him, yet conceals only her own piece. Three people, walking together, parting along the way. Some for the way of the sword, some for old hatred, some for a sentence they dare not speak aloud. When the secret of the Lone Sword Manual is finally torn open, Shen Nianqing understands: the sharpest thing in this world has never been a sword, but the human heart; and the loneliest thing in this world is not the one who holds the sword, but the one who, though two people are by his side, still feels this life is a solitary journey. One sword walks alone, three hearts' affairs, the moon shines over a thousand mountains, each grows white-haired in turn. — Description from novelcodex.org