However, two years later, in the second battle of Kizugawaguchi in 1578, the Mori navy was defeated by the Kuki navy, which deployed armored warships, and lost the marine control.
しかし2年後の天正6年（1578年）には第二次木津川口の戦いで鉄甲船を配備した九鬼水軍に敗れ、制海権を失う。