C91 Soul Devouring Dagger

Rage blazed within Koo Di's heart; his hatred for Daoist Master Tianlei was deep and unyielding. By chance, he had stumbled upon the revered master's legacy. The teachings promised that mastery of the Heavenly Thunder Sword Technique to the Initial Stage would render him unbeatable among his equals. If he could advance it to the Great Perfection or even the Perfection Stage