C1513 Soundless infiltration

"Cheng Feng, the Black Iron Box in your hands are very interesting."

Long Aotian stared at the Black Iron Box for a moment, then threw it back to Cheng Feng and shouted: "Return this to you, show me the Black Iron Box."

"Didn't you want to help me comprehend the Seven Killing Stele? Give up? "

Cheng Feng glanced at Long Aotian and caught the Seven Killing Stele.

"On this monument