Use when building a coalition to encircle and weaken a superior adversary through indirect means. Based on Feng Tong's advice to Goujian: conceal intentions, ally with enemy's rivals (Qi, Chu, Jin), flatter the enemy into arrogance, and strike when they are overextended on multiple fronts.
A diplomatic-military procedure for building a coalition to encircle and weaken a superior adversary, based on Feng Tong's advice to Goujian.
"The hunting bird must hide its form before striking" - conceal capabilities until the moment of attack.