A hundred silver coins

Chen Xin glanced at Sky, who was sipping the tea. "Why don't you tell me how many more S-rank spies Grand Empress Dowager possesses?" he asked. 

"I already answered the Crown Prince. Only Eagle knows that answer. I was an A-rank spy," Sky explained and poured more tea into the cup. "Do you want to drink?" he asked. 

"No. Thank you. I thought I would get some useful details from you. Turns out, I wasted my time," Chen Xin said with a disappointed gaze and turned to leave. 

"I believe there are three more. But I have never encountered them. Among my kind, I heard it," Sky stated. "Also, don't chase Eagle since finding him can land you into a problem. Eagle knows no mercy. Let the Crown Prince handle that work," he suggested to Chen Xin. 

"Don't tell the Crown Prince that I was here," Chen Xin said. 

"I won't," Sky replied. "But bring me steamed dumplings the next time you come here," he added.