General & Others what are things you 100% think were planned and Foreshadowed?

#1
While Oda calls back to things and adds things to the story, what are some things that you 100% think were planned and properly Foreshadowed?

My two are
1) being a Prince.

2) The Grandline being in two parts. With one called "Paradise".
 
#4
While Oda calls back to things and adds things to the story, what are some things that you 100% think were planned and properly Foreshadowed?

2) The Grandline being in two parts. With one called "Paradise".
I mean, yeah. We saw a map of the world early in One Piece, and we saw that the Red Line and Grand Line merge at some point, so of course the Grand Line has 2 parts.
 
#5
The World flooding. Every major city was built a little higher than the surrounding area. I'm pretty sure Oda had this in mind in some form from the start.

The Poneglyphs slowly revealing the history of the world. I think the ideas for the Road and Rio Poneglyphs may have come later. But, I think Oda always had the idea to have these giant stone carvings reveal the history of the world, left around the world for people to find.

Illnesses being important, somehow. I think it's been included enough for long enough, that Oda is probably going somewhere with this idea.

The Celestial Dragon's existence is something that I could see Oda having plans for from the beginning. Even if they didn't actually show up until about the halfway point of the story, right before the timeskip. The idea for Imu specifically may have come later. But, I could see the basic idea being there from the beginning.

Oda's probably had rough plans for Blackbeard and Shanks since the beginning. The details may have changed over time. But, I could see Oda knowing the rough outline of what he planned to do with these two since the beginning.

Enel going to the Moon. I think Oda's had some idea of what's going on with the Moon since the beginning, as it relates to the rest of the World.
 
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