The poster depicts the epic battle between Kyojuro Rengoku, the Flame Hashira, and the Upper Moon Three, Akaza. The scene is set against a fiery background, with Rengoku and Akaza clashing swords in the center. Rengoku is seen in his signature flame-patterned robe, wielding his sword with fierce determination. Akaza, on the other hand, is shown with his grotesque demon face, as he unleashes his deadly attacks. The poster captures the intensity and emotion of the battle, with Rengoku's last stand serving as a testament to his bravery and heroism.