三方ヶ原の戦い
As the Oda army was bogged down by fighting on every corner, Takeda Shingen lead what was by then widely considered the most powerful army in Japan and marched towards the Oda home base of Owari, easily crushing Nobunaga's young ally and future "shōgun" Tokugawa Ieyasu in the Battle of Mikatagahara along the way.