Another theory has it that when Hideyoshi collapsed the bank around the Takamatsu-jo Castle on his way to the Kinai region, it created a slough between the two armies, depriving the Mori army of the chance to pursue Hideyoshi.
また、秀吉が畿内に向かう際に高松城を囲っていた堤防を決壊させたため、両軍の間に泥沼ができてしまい追撃が不可能になったともいう。