Invisible Strategy, Most Lethal

After saying that, Gu Lan suddenly grabbed the shop owner, and flames quickly ignited on the shop owner's body. Ghosts were like gasoline; when they came into contact with exorcism symbols, they ignited instantly. The darkness formed by ghosts was the same; the dirtier it was, the faster it burned.

If Gu Lan's roommate was audacious, then Gu Lan was audacious too. With one hand, she hugged the almost completely burned Little Hua Yin. Due to her resilience to burning and her pain tolerance as an undead, she ignited all the ghosts in the entire village.

Upstairs, An Yiqing and his group heard commotion downstairs. They were too afraid to go down and look, but soon they heard the cries and howls of ghosts throughout the village, along with Gu Lan's ever-unchanging arrogant voice.

"Don't run! Wait for me! I'll just burn for a bit! Just a little bit!"