The Smiling, Proud Wanderer, becoming a disciple of Yue Buqun

(No female lead, the protagonist is not a saint, ruthless, has a compassionate heart but uses thunderous methods.) The wealthy scions forcibly abduct women, and you, the government, do nothing? The evil cult poisons the people, and you, Wudang and Shaolin, do nothing? I will! The Huashan Sect will! Since righteousness is elusive in this world, then I will be the first ray of light to pierce the darkness. There's no need to wait for the sun; if there is no sun afterward, I will be the only light. With a compassionate heart, I will use thunderous methods.