“Guys, what’s that?” Soap asked the others, as he grabbed an old and eerie looking book from the dirty table. “Put that down, you idiot.” Ghost replied at him, rolling his eyes.

Price turned his head toward them, “Yeah, put that down. Something will happen.” He said. A voice added. “Price is right, this shit looks weird.” It was Alejandro talking.

The book accidentally opens as soap drops it. the room got cold and eerie. "oh shit.." soap says.

they accidentally summoned a demon.