The Last Samurai a trap and deprive them of artillery support. The ensuing battle inflicts massive casualties on both sides and forces the Imperial soldiers to retreat. Knowing that Imperial reinforcements are coming and defeat is inevitable, Katsumoto orders a suicidal charge on horseback. During the charge, the Samurai break through Bagley's line. Bagley is killed by Algren, but the Samurai are quickly mowed down by gatling guns. The Imperial captain, previously trained by Algren and horrified by the sight of the dying Samurai, orders all of the guns to cease fire, disregarding Omura's orders. A mortally wounded Katsumoto commits Seppuku with Algren's
Samurai Warriors 4 death that leads to the Battle of Sekigahara and the extermination of the Toyotomi clan; and the "Sanada" story, which tells a parallel story with Unification but has a more personal insight with the Sanada clan. Musou Attacks now have new finishing animations separate from their Ultimate Musou, but they no longer allow free-action for their durations. Enemy generals still use the older shockwave finishers, and are no longer fully invincible for their durations (they instead are granted Hyper Armor). Like previous games in the series, the setting and story of "Samurai Warriors 4" is centered on the Sengoku period