Since the majority of Kuroda's army was with Nagamasa, giving peasants in the Kuroda territory an outfit allowance from his treasury, Josui quickly put together a new army of approximately 10,000 men.
兵力の大半は長政が率いていたため如水は金蔵を開いて領内の百姓などに支度金を与え、1万人ほどの速成軍を作り上げた。