It's called story development. A storyline can't always be at it's climax. It takes a while to get there.
Oda is a pro and i'm pretty sure he knows damn well where he's going with this.
It just occurred to me that Ace changed a lot since childhood. In the flashback, he seems like a serious and nonchalent person. But in Arabasta, he seemed like an idiot, just like Luffy, falling a sleep all of a sudden while eating.
Something major must have happened in the flashback to...
Re: One Piece 582 Spoiler Discussion
Uh... Zoro not doing anything? He's the second strongest crew member. He takes out the tougher opponents. Without him, SH will pretty much be screwed.
Also, if you actually paid attention, you would have noticed that Robin is the only person in the One...
Wait.... How come everyone is acting as if the devil fruit reappears after the original consumer dies...? I don't remember seeing that happening anywhere in the manga.
Timeline Paradox...?
In chapter 551, Garp meets Ace and adopts him. At this time, Luffy was already able to speak and walk.
In the strong world chapter, it shows Garp 20 years ago. He already met Ace when he was an infant. Luffy hadn't been born yet.
Strange, huh? Maybe Oda has yet to...
Shiki's DF apparently grants him the ability of flight, which leaves only 1 more DF that grants flight. But Pell did mention that there were five known, which may mean there are still unknown ones.