C133 Powerful Plundering and Killing
The secrecy of this joint attack formation is basically zero, because prior activities have already been widely known.
If the Japanese players wanted to obtain it, they didn't need to pay a huge price. In the end, it was their own problem.
"I will send 30 people over here to listen to your commands for the time being." Ye Hann was managing the East Prefetures