I Have a Sword to Disrupt the Three Realms

There are nine states in the Three Realms, hundreds of schools of thought, and the Demon Sect's orthodoxy. It's difficult to calm down the world! What's the problem with the remnants of the demon sect? All true meanings can only be found in my heart! This is the story of a little bastard from the Demon Sect who wreaked havoc on the three realms...