From the Start, I Struck Dong Xiaoyu with Lightning, and Uncle Nine Said I Was Too Extreme

I transmigrated into Lin Zhengying's world and became his exceptionally gifted eldest disciple. The System bound me to the Tiangang Demon-Slaying Art. The more evil spirits I killed, the stronger I became. At Renjia Town, I first encountered Dong Xiaoyu and struck her with a bolt of lightning, scattering her soul to the winds. Uncle Jiu was heartbroken. “She hadn't taken a life. Why did you have to destroy her completely?” When Shi Shaojian was devoured by wild dogs for his evil deeds, I raised my sword to destroy what remained of his soul. Uncle Jiu rebuked me furiously. “He has already suffered Heaven's punishment. Do you still want to deny him reincarnation?” When a Western church's zombie awoke, I detonated a thunder talisman and blew up the entire building. Uncle Jiu cried out in anguish. “There are innocent people inside!” At last, when the fused Corpse King appeared, Uncle Jiu spent his life protecting me. With his dying breath, he sighed, “If your heart for the Way holds nothing but thoughts of killing, how are you any different from a demon?” I held his cold body in my arms as the System's notification stuttered for the first time: [Detecting... unknown error... Dao heart... collapse...]