The episode was directed by Ryosuke Tanaka , who utilized a unique "storybook aesthetic" for the flashback sequences.
Inside the cave, Yamato meets three powerful Wano samurai, including Shimotsuki Ushimaru (the former Daimyo of Ringo). Despite their starvation, they offer Yamato their only food and help him read Oden’s journal, which details the arrival of a new era in 20 years. One Piece Episodio 1048
Episode 1048: "For the Future! Yamato and the Great Swordsmen's Pledge" The episode was directed by Ryosuke Tanaka ,