Owen Bertram naturally understood why Master was worried that the Young King would occupy the Royal City first. The situation was different now, and the Young King had gained momentum. If he occupied the Royal City, he would likely try to bargain with Wood People. Even for Wood People to clean up after him, it would take some effort.
However, under such urgent circumstances, William thought of a solution. His Flying Bear Army originally cooperated with the Lioyd Sect, who provided them with a "low-cost" flying carriage, as the Flying Bear Army's supplies were difficult to transport deep into Nanni Nation.