The Legend of Chi Yan

Lu Yao, a disciple of Fu Wen Zhi, the leader of Baidao, was jealous of the emotions of his older brother Ming Zhao and his older sister Pan Shu and ran away in anger. The master was killed, the brothers turned against each other, and the will of heaven was vague. After suffering, Lu Yao finally became an unparalleled weapon, the Cicada Wing Saber, and a greater conspiracy slowly emerged.
(Source: Chinese = Douban || Translation = MDL)