What’s Your Favorite One Piece Arc?

So far One Piece has had 28 story arcs (and counting). Some so very long spanning across a year and others so short that it’s barely few months.

By length:

1. Dressrosa Arc: 101 chapters
2. Skypiea Arc: 66 chapters
3. Alabasta Arc: 63 chapters
4. Enies Lobby Arc: 56 chapters
5. Water 7 Arc: 53 chapters
6. Fishman Island Arc: 51 chapters
7. Thriller Bark Arc: 48 chapters
8. Punk Hazard Arc: 46 chapters
9. Marineford Arc: 31 chapters
10. Arlong Park Arc: 27 chapters
11. Baratie Arc: 27 chapters
12. Drum Island Arc: 25 chapters
13. Impel Down Arc: 25 chapters
14. Sabaody Archipelago Arc: 24 chapters
15. Zou Arc: 23 chapters
16. Syrup Village Arc: 20 chapters
17.Davy Back Fight Arc: 19 chapters
18. Jaya Arc: 19 chapters
19. Post-War Arc: 17 chapters
20. Little Garden Arc: 15 chapters
21. Buggy the Clown Arc: 14 chapters
22. Amazon Lily Arc: 11 chapters
23. Post-Enies Lobby Arc: 11 chapters
24. Whiskey Peak Arc: 9 chapters
25. Romance Dawn Arc: 7 chapters
26. Laboon Arc: 5 chapters
27. Logue Town Arc: 5 chapters
28. Return to Sabaody Arc: 5 chapters

So, wich is your favorite Story Arc?