C28 You'll be All Right

"Look, what's going on there?" The people from the Martial Saint Manor had arrived. They stood far away as they stared into the valley. The black fog covered the sky and blotted out the sun as an evil aura swept out in all directions.

"Don't go near it. This black mist …" Jiang Yifan said with a grave expression on his face, "This is an evil art. I have never seen it before