Lord Yanchun had originally not planned to come, but the news brought back by Li Yuan made him feel that the whole thing was somewhat unrealistic, which was why he had traveled day and night by a Mohist Zhuque to reach the Royal City in the north.
King Xi of Yan might have believed that Bingzhou had agreed to the alliance, but after discussing it with Fan Yuqi, Lord Yanchun did not believe for a moment that the present Bingzhou would agree to ally and unite with them.
Furthermore, in the current world, the universally recognized ranking of the states' military strengths placed Bingzhou and the State of Qin tied for first, the State of Chu second, the State of Yan third, the State of Wei fourth, and the State Qi fifth.
Chapter 671