The Silent Demon Zither: Tribulation of the Zither Heart

This is a martial arts world where the heart of the zither is the heart of the sword. Jianghu legends say that the ancient divine artifact, the Soundless Demon Zither, is no musical instrument, but a manifestation of resentment between heaven and earth. Whoever merges with it can attain sainthood in the flesh and become immune to all poisons, but must pay the price of forsaking all love and emotion. The zither vanished after the martial world was plunged into catastrophe eighteen years ago, and peace returned to the jianghu, until turmoil stirred once more in the present day.