Episode 684: Gathering into a Powerful Front! Luffy and a Group of Brutal Warriors!
One Piece Episode 684 „Gathering into a Powerful Front! Luffy and a Group of Brutal Warriors!“. Adapts chapters 747–748. First aired: 2015-03-15.
- Read on in the manga from: Chapter 749 (Volume 75 – My Repayment)
- Title (Japanese): 大集結! ルフィと凶悪戦士軍団
- Title (romaji): Dai-Shūketsu! Rufi to Kyōaku Senshi Gundan
- First aired (Japanese): 2015-03-15
- First aired (German): 2019-10-10
- Category: Story
- Arc: Dressrosa Arc
- Chapters adapted: Chapters 747, pages 15; Chapters 748, pages 6-17