User blog comment:AYET/At the upcoming chapter milestone/@comment-5398287-20150622050739/@comment-5690257-20150626095326

Well the point is that it all happens on the same island but it has the exact same structure as the CP9 saga, with Water 7 and Enies Lobby. Yes it's a bit monotone to see the same island and buildings, but story-structure wise it's exactly like CP9. Plus the East Blue, Baroque Works (manga was long), CP9 and Paramount (although paramount was quite different in Impel Down and Marineford) were far longer than Dressrosa. Baroque Works and East Blue had different stories in it but CP9 is basically the blueprints for Dressrosa