In the Battle of Yashima, he took one month to carefully prepare the attack by securing the food and battle ships, counting on the support of the local naval forces, as well as, having close communications with the anti Taira family powers in Shikoku.
屋島の戦いでは、水軍を味方に付けて兵糧・兵船を確保し、四国の反平家勢力と連絡を取り合うなど、1箇月かけて周到に準備している。