Chapter 551: No. 9 Dies, the Knight Loses an Arm He heard Rainey's order. Riley, who had only just brought his feet to a halt, immediately looked at J and No. 9 in front of him and spoke. "Move." "Turn around, fast! Do what Rainey said." With those words spoken. Riley was the first to sprint back along the path they had come, no longer bothering to cover his tracks. Although Riley didn't know much about close-quarters urban combat, he knew Rainey very well and trusted him…