C510 The shadow of the black hand behind the curtain

"I suspect that the mastermind is still hiding here. That's why I didn't choose to leave." Xuan Qing said seriously, "However, there is another possibility. He might have already chased after my senior brother."

"Senior Brother, you received my notice and increased your vigilance. That person shouldn't be able to succeed."

"Don't be so sure, you don't even know who the enemy is