With Takeda and Uesugi injured, the remaining alliance leaders plot their final assault against Oda. Even though the situation looks bleak, Date and Sanada prepare to face their destinies.

The incredible final battle explodes at Azuchi Castle! With amazing power and determination, Date and Sanada unleash against the mighty Demon Lord.

After returning back to Oshu, Date picks out Kojuro's sword and decides to use it as a substitute for losing one of his six swords. Date's forces then head towards Setouchi were Uesugi's forces resides. In Osaka, Hanbei meets with Kojuro who informs him of Date's defeat, which he doesn't believe until Hanbei showed him one of Date's sword. Keiji arrives at Osaka but sees Toyotomi's forces leaving and tries to speak with Hideyoshi, however Hanbei stopped him and the two had a brief conversation about what happened in Tetorigawa and left. While travelling to Satsuma, Sanada starts to think about the war and the people as he witness villagers whose families of soldiers went to war then spots Toyotomi's forces heading towards Shikoku. In Setouchi, Kenshin's forces had left, which has surprised Date's men but Date himself realize what Kenshin was doing and thanked him as the two approached each other and made contact with their swords. In Setouchi, both Cosokabe and Mori's forces begun attacking each other with Motochika gaining the upper hand with his Fugaku, and Motonari becoming more interested in it.

While Motochika is successful at his defence on Shikokou, Keiji returns to Kaga and meets with Toshiie and Matsu. They reveal that the Toyotomi clan wants the Maeda forces to attack Kai, which has surprised Keiji, but Toshiie commented about his understanding of Keiji's path to peace. In the battle on Setouchi, Motochika's forces have reduced the number of Mori's boat forces, however Motonari plans to lure Fugaku to allow Toyotomi's forces to attack. Hideyoshi appeared and reduces the area's sea with his fits, allowing the Fugaku to be unmovable on dry surface, however Motochika ordered his forces to fire the cannon at him, only for Hideyoshi to block the cannonball with his bare hands. A large number of Toyotomi and Mori's forces have surrounded the Fugaku but Motochika had gotten it moving on land and head towards Hideyoishi, however Hideyoshi had stopped it and confront Motochika. The two fight, with Hideyoshi easily gaining the upper hand on Motochika, leading to Sanada who had arrived and witness the battle to go and support Motochika and his forces, despite Sasuke's warning. With Sanada's forces managing to defeat a large number of Toyotomi and Mori soldiers they were however outnumbered, with Oyamada trying to clear a path to retreat but was killed in the process. With Motochika's last stand he had manage to defeat most of Toyotomi and Mori's forces but failed to defeat Hideyoshi as the Fugaku breaks down and destroyed, with Motochika seen falling and Toyotomi's victory secured.