Seven Kills: I Am Really Not a Heretic

There are seven mysterious files in total, called the Seven Kills. Because he was too overbearing and tyrannical, he was once considered a forbidden technique by the Righteous Alliance. Zhang Xiaofeng has learned the first three volumes since he was a child, which are the trapped character spell, the breaking character spell, and the killing character spell. As for the remaining four volumes, even as the successor of the secret, he has no way of knowing. Due to the investigation by the Righteous Alliance, Zhang Xiaofeng's master warned him not to expose his knowledge of the Seven Kills until absolutely necessary. Zhang Xiaofeng followed his master's warning until he was eighteen years old. However, when he left his hometown and came to the bustling city, everything changed. . . . . .