エピソード588 - 麦わらの一味の遺産！ルフィの海賊王への最終約束

Episode 588
The Straw Hat Pirates’ Legacy! Luffy’s Final Promise to the Pirate King
Japanese: 麦わらの一味の遺産！ルフィの海賊王への最後の約束
Mugiwara no Ichimi no Isan! Rufi no Kaizoku-Ō e no Saigo no Yakusoku

As the crew moves closer to the treasure’s location, they encounter a series of natural obstacles, including a massive storm that threatens to destroy their ship. The Straw Hat Pirates work together to overcome the storm, but they realize that the dangers of the Grand Line are far from over, and they are being pursued by more powerful enemies than ever before.