Although the police had been unable to determine the girl's cause of death at the scene, Li Lin, as an inheritor of Witchcraft and Gu poison, had recognized at a glance that the girl had most likely been afflicted with something similar to Gu poison.
Still, he could not be certain whether it was actually Gu poison, because he had seen oil stains on the girl's clothes. The stains carried a strange odor. Others could not smell it, but Li Lin could. The scent was unusual, yet he had not been able to identify it at the time.
It was not until about a week after returning from Mount Fanjing, when he visited the place where his uncle worked, that he smelled that scent again.
His uncle worked as a cremator at a funeral home. At last, he remembered—it was the smell of Corpse oil.
That was when he recalled the Nanyang Sorcery his aunt often mentioned. Though its principles were similar to the Gu poison arts of Miao territory, Kut-Toh was far more sinister, using vicious and poisonous substances as catalysts, such as Corpse oil.
Only then did he understand that the girl had died from Evil sorcery, not Gu poison arts.
The police autopsy report also supported that conclusion. The girl had died of heart disease, cardiac arrest. But that was only on the surface. According to the police, her heart had rotted away. It gave them a terrible headache. Even if she had suffered a heart attack, how could her heart have decayed into that state?
The case was eventually closed just like that, but Li Lin began to suspect the girl named Long Lan.
However, after the girl's death, Long Lan seemed to vanish without a trace.
About half a month passed. Li Lin remembered that