Episode 413: Luffy's Hard Trial! The Power of the Snake Sisters' Haki!!
One Piece Episode 413 „Luffy's Hard Trial! The Power of the Snake Sisters' Haki!!“. Adapts chapter 519. First aired: 2009-08-16.
- Read on in the manga from: Chapter 520 (Volume 53 – A King's Disposition)
- Title (Japanese): ルフィ第苦戦！ヘビ姉妹の覇気の力！！
- Title (romaji): Rufi Daikusen! Hebi Shimai no Haki no Chikara!!
- First aired (Japanese): 2009-08-16
- First aired (German): 2014-10-02
- Category: Story
- Arc: Amazon Lily Arc
- Chapter adapted: Chapters 519