C305 Hua Family Assassination

Zhang Nan slowly closed his eyes and the white spiritual energy on his body slowly turned black.

Seeing the black spiritual energy on Zhang Nan's body, the guard on the first floor was stunned for a moment, while Shen Cheng and the others looked at Zhang Nan in surprise.

"Demon Qi?"

Shuangyu muttered.

Of course, Zhang Nan heard Shuangyu's words, but at this moment