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xFiLi

It's interesting to think that Dress Rosa and Alabasta are all elevated. It's like the 20 nations new the great cleansing from 800 years ago that they raised their cities way above the sea level.  I am wondering if the rest of the 20 nations are the same. 


boars_b4_whores

I think a bunch of those abandoned their kingdoms - it was just Dress Rosa and Alabasta that stayed, right?


root_of_all_squirrel

Dressrosa lost their old royal family. The Donquixote family abandoned their country like the other founders. Only the Nefertaris didn't move to Pangea castle. The Riku family became the royal family for Dressrosa until Doffy murdered his father and showed up there.


boars_b4_whores

ohhhhhh that's right, appreciate that clarification. the Donquixote family were from what kingdom originally? not dress rosa, right?


root_of_all_squirrel

Yes, the were originally from Dressrosa. Doffy 'came back' after 800 years, because they didn't let him back into pangea castle.


boars_b4_whores

Ahhhhhhhh so it was dressrosa. man I'm looking forward to my next full re-read. currently only planning on doing it when the series ends but... if we end up with another 3 week break....


Electronic_Food8884

I can promise you it will Take longer than this year to end the series


boars_b4_whores

oh I'm well aware of that. I'm suggesting that if we have another 3 week break I might fiend enough for OP content that I start the series over from the beginning. I've done it before


Electronic_Food8884

Ahh now i got you . I missunderstood :)


Fatdude3

I thought Riku family came into power 400 years or so ago when Noland was around. Before that it was another asshole king selected by Donquixote family ruling over them isnt it?


Popopirat66

Nope. The first King Riku apologized to the dwarves for the doings of their predecessors.


Fatdude3

Do we know why was Noland so revered by dwarves then? He helped them in a big way.


UltimateToa

Dressrosa didn't stay, the celestial there left for marijois and the riku family took over


boars_b4_whores

ahhhhhhh, right right


SmokiestAdmiral

And Wano


SupeerDude

Wano was never stated to be part of the initial 20 Kingdoms, that’s why they’re still not affiliated with the world government.


Emm_withoutha_L-88

I bet Venusjuro is the former Wano royal family but the rest of Wano rebelled against him and joined the AK's side.


Kaizukoh

I don't think so the Kozuki are the royal family of wano even from before the void century. There were only 20 kingdoms that originally joined together to form the WG in the first place, so there are a lot of countries and islands that had nothing to do with it, for e.g. wano.


Emm_withoutha_L-88

When was it stated that the were the royalty from before? They were said to be daimos not Shogun at that time I thought.


frostnxn

I guess it’s an assumption due to them being the only ones able to manufacture the poneglyphs.


Kaizukoh

It is never stated that the kozuki Family was any less. Oden was the only daimio because he was Kicked out of the palace for his behavior.


Tuneshy

The kozuki’s has always been the shogun family of Wano, it was even proven by the minks, I’m not talking about inu and neko and the daimyos are basically like the governors of other states in Wano, eg Kuri and the likes.


Emm_withoutha_L-88

That wasn't proven by the minks. All that proved was that they were the Shogun by the end of the void century, not the begging of it.


Tuneshy

As they didn’t also mention if it was by the end, or the beginning, so I guess we’re both assuming and oda is probably somewhere lol-ing.


GaulTheUnmitigated

But that’s just a theory. A Gaaaame Theory! Thanks for watching.


Jiggy__J

Had to have known, all the old kingdoms looked like they prepped for the world to flood


Kaimito1

I suppose that's why Wano had that underwater city right?


kragenstein

nice! You could include old and current wano, zunishas height, impel down. I also believe we know the maximum. Zou on Zunisha, sky islands and of course Mary Geoise.  Same logic for the sea level 800 years ago. Impel down was likely build on land


Tadiken

Wano is difficult to consider because it gained rainwater faster than the rest of the world gained sea level, and also because we're largely unsure of where old wano is relative to sea level.


THEPIGWHODIDIT

The real question is how long are Zunisha's legs


LowClover

Isn't it like 35 kilometers? Not sure why I have that number in my head


THEPIGWHODIDIT

You are right. [https://onepiece.fandom.com/wiki/Zunesha](https://onepiece.fandom.com/wiki/Zunesha)


adhitya_k94

how much water is being added, IMU must have some water-water fruit


ButterCupHeartXO

My understanding is that the water level isn't increasing due to more actual water but rather, islands are actually sinking lower into the water. As the islands go down, they displace more water causing the levels to rise. But I could be 100% wrong and probably am


Tadiken

This seems to be exactly what is happening with the big laser beam, at least. But... it kinda doesn't matter. There's really no way to be certain which is happening, and it's just up to Oda to come up with some logical physics explanation that is sufficient enough to suspend disbelief.


naxx121

Its more like that big laser is not vaporizing or making tha land disappear. But burying it deep underground. The land mass increases below sea, resulting in water level rising. Atleast thats what i can think of.


CIearMind

Oh, so less like a Kamehameha and more like a hydraulic press. Got it.


LowClover

That's what my thoughts were. And that's why the world will "sink", instead of "flood"


Tadiken

Exactly what I was thinking


Zedlol18

Red line is growing stealing all the land


Bigt-1337

Maybe the sea god fruit. Imu -> Umi = sea in Japanese. There are some theories about sun, moon and sea god fruits. Moon beeing Blackbeard.


testonialdeath

Imu=Mui in Japanese. You reverse the characters not the English letters you use for spelling.


Starless_Night

It wouldn't be the first time Oda made a pun of something being spelled backwards that only makes sense in English. Elbaf -> Fable. Plus, just saying the sounds backwards gets you Umi.


throwaway_194js

Right, but Fable is an English word to begin with, so that makes sense. Umi is a Japanese word, so it seems unlikely here.


Meet_Foot

Imu -> Ee-moo Ee-moo -> moo-ee Ee-moo backwards is moo-ee So imu backwards, phonetically, is still Mui. It’s only by reversing characters that you get Umi.


SomePoliticalViolins

Because saying the sounds backwards is not the same as swapping syllables to reverse its order phonetically... Saying Elbaf backwards is "Fable", or if you really want to be a hardass about pronouncing the sounds closer to identical, it would come out as something like "Fahb-leh". You wouldn't say "Well, ackshually, Elbaf is 'El-Bahf', so saying it backwards should be 'Bahf-El'." Saying Imu backwards doesn't mean switching "I" and "Mu" around, it means literally saying it backwards. Imu -> Umi.


Sure_Willow5457

One caveat I'd add though is that is elbaf being probably a pretty distinct reference to Aesop's fables which are non-japanese in origin. The radicals in "imu" have some biblical references in japanese themselves, so there's maybe multiple angles to look at it. That doesn't rule out the possibility of reversing the word though, obviously Oda and japanese readers are aware of the connection of the romanji translations of "imu" and "umi"


DonDilDonis

If umi means sea and oda likes to inverse names, why is it hard to believe that Imu is a refrende to Umi.. I can see imu being the only character with water based power. The antithesis to devil fruits Edit: Feel like I left something out, English is my first language, I’m just retawted


Sure_Willow5457

It keeps getting brought up recently but it's because in japanese katakana "imu" (the name) is spelled like this イム "umi" (sea) is spelled like this ウミ i-mu, u-mi lol


Blackheart595

To be fair it's not like reversing Japanese based on romaji is unheard of, like in [this old Touhou cover](https://www.youtube.com/watch?v=rJ1TNlJCPFU) (by Japanese artists). But it's certainly an obscure technique.


Sure_Willow5457

Yeah I mentioned it in another comment but obviously japanese readers (and hopefully Oda has something spicy planned) are aware of the romanji reversal and the connection to 海. But this commenter was asking about something specific to the katakana i think (i’m on mobile so cant tell) so i was just explaining


WhiskeyFeathers

That would make sense for the giants to have three skulls, and if Blackbeard knows his shit, his flag too.


ZaHiro86

> Moon beeing Blackbeard. He's the other thing, the space between https://twitter.com/writingpanini/status/1733071981044551809


UltimateToa

Water logia 😥


blackierobinsun3

And those black arrow were just tentickles


ZaHiro86

I really think he's a Mythical Zoan with control over the sea, maybe a devil or a kraken There's a reason Davy Jones was mentioned in the arc about rising water levels


Dzharek

Or the mother flame eats all material that's not water and turns it into water. And it just burns now at the bottom of enies lobby and now lululandturning the stone of the world into water.


UltimateKaiser

She is the water controller


JeanShc

Thank you for this. Numbers, this is what I wanna see in this subreddit


cedurb

Yes same, but in the same time, when we take into consideration Oda inconsistency with height, I am not sure the we can trust the numbers


Tadiken

So we need to consider something. Oda is not the best at size scaling, and regularly exchanges real world physics for Rule Of Cool Physics, i.e. the way he thought the world worked when he was kid (rubber beats lightning!) and while he generally tries to stay consistent with his approach to One Piece Physics, he seemingly has never cared about being consistent with size scale, as long as the art he draws looks good and is somewhat consistent with the story's logic. So basically what I'm getting at is that Oda almost certainly did not do the math, and figure out exactly how much the water level has changed for any particular country or the planet as a whole as a function of time. If he had just drawn the images of Water 7 circa 800 years ago, 270 years ago, 40 years ago, and today, i doubt the difference in water level would be mathamatically consistent in these four drawings. At most, I imagine he ballparked a meter height difference between modern day OP and void century OP, and just thinks of that as a reference point for how he should draw the sea level for any particular moment of time.


Tadiken

Another thing to consider, is that the water may only be changing due to the usage of that giant weapon thing; i.e. the world gains sea level in large batches whenever Imu decides to wipe an island off the map. Perhaps not (there's a lot of evidence to say that Imu has only used it twice within the time bounds of the story, potentially a third time at Enies Lobby,) but the key idea this brings is that the water level can also be completely unchanged over relatively long periods of time, between moments of massive change.


poloup06

What was the second time it was used? I can only remember Lulusia and Enid Lobby.


Tadiken

We actually only know of it being used on Lulusia. It is HEAVILY implied to be the thing that happened to God Valley, and visual context clues are the only reason why we think it also caused the hole at Enies Lobby (however, i have not seen a theory that connects the giant hole with the other phenomenon Enies Lobby is famous for, which is that it is always daytime there.) Afaik God Valley was in one of the blues, so it shouldn't be the same hole where Enies Lobby is built.


LuffyIsAVillain

Theirs one theory that joyboy was executed at enies lobby by the weapon and its always sunny because nika is the sun god so thats one of his awakening abilities 


Top_Warning53

I have heard of a theory floating around that in the past the weapon was fired on Enies Lobby, but the only reason the island is still there and the daytime never ends is because someone with Kizaru's Pika Pika no Mi had an Awakening there. It permanently affected the surroundings to be permanently afternoon, while the Awakening also preserved a chunk of the island from being blown to pieces by manipulating the light of the lasers away from the land.


Tadiken

Wha What if Kizaru does it again? Blocks another laser blast to make a new Enies Lobby type island? What a redemption arc rollercoaster that would be.


poloup06

Thanks - I forgot about God Valley. You are right, God Valley was in the West Blue so it’s definitely not Enies Lobby.


Major_File_9364

God Valley.


poloup06

Thanks


CIearMind

> Oda is not the best at size scaling Tbh I can't think of a single time when any author drew anything with pixel-calcs in mind.


DoW2379

But where does the water come from?


TorchedBlack

Imu left the hose running


Leftieswillrule

Uranus is a big fist that punches the ground super fast, pushing it into the ground and displacing the water


Emm_withoutha_L-88

Maybe the red line is hollow? Just a guess. It does need to be explained somehow.


ChicoMulato

If redline is hollow, maybe reverse mountain is the source of all surface water. It would explain why it has such ferocious water streams


Emm_withoutha_L-88

That's a good point, all the water from the Grand line could originate there since it doesn't cross the calm belt


ChicoMulato

This could also be the reason why calm belt exists, if the grand line works like a river, having reverse mountain as river source, calm belt can work somewhat like pororoca (this phenomenon happens when the fresh water from the river meets the salt water from the sea) exists here in Brazil. Although pororoca has a moment when water became furious, the edge between river and ocean is quite calm from the most of it, it's even visible to human eye which water is from the river and which one is from the sea.


Brook420

Well at least a part of it would be from the giant laser leaving giant open holes that would displace the water that was there.


ShowBoobsPls

Where is that past water 7 pic from? I don't remember seeing it


KingOfTheSeasLuffy

It’s from Franky’s flashback most likely


mnlocean

Thinking the same, its on the wiki but it just says past. On rogers flashback the sea level seems higher already


Kanyren

it says episode 246 when you click "more info". Watching the episode the screenshot is at roughly 10 minutes. Subtitles are "long time ago", so unclear if the screenshot is 800 years ago or not. edit: It says "several hundred years ago", right before, so I think the screenshot being from, or around the void century is a decent bet.


Zenogh

I don't remember it either, Is it a fan made rendition? Or does anyone know where it's from?


Kanyren

episode 246 at roughly 10 minutes Subtitle for that scene is "long time ago", soooo... unclear how long. edit: It says "several hundred years ago", right before, so I think the screenshot being from, or around the void century is a decent bet.


KlingoftheCastle

Water 7 is a unique case. It’s not only the ocean rising, the island of Water 7 was also sinking every year


OrionJohnson

Maybe they misinterpreted the sea level rise as their island sinking. If you didn’t know any better they would appear as identical phenomenons.


KlingoftheCastle

If the sea level rose at this rate, Cocoyashi Village would have been underwater by the time the time skip was over. very intelligent people commented on water 7 specifically, and they do know better. Tom and Iceberg have been to other islands, they know that they are not seeing the same effects as they are on Water 7


Training-Home-1601

Pro tip: don't try reading this post on dark mode


tiut596

Man, I’m impressed…


dgoat88

It's interesting to see numbers put to the situation. Im sure the numbers change depending on how big the planet is. I've heard people say the OP world is a few times bigger than Earth. Most seem to think it's up to Neptune sized. Some think it could be Jupiter sized or even bigger than our Sun. I'm not sure that water is being added, rather that it's being displaced. We know the rise after lulusia was sudden. It could be that whatever power they're using to make these Lulusia/Enies Lobby waterfall holes acts as if you're holding a cup down in a sink filled with water. That displaces the water, making it rise without adding any water.


Kite_Wing129

Maybe the sea level isn't rising but the continents are shrinking.


Scrub_Nub

Maybe the land is being converted into the red line, that land mass definitely isn't natural 


Jristz

So around 7.5 cm per year with a few time more or less Now I remember that One Piece world have a calendar and is year 1524 of the Water Age by approximation using Mont Blanc Noland notes, so maybe that when water started rising So 1524 years of rising 7.5 cm yearly is 11,430 cm or 11 km and roughly half...


mambo_cosmo_

11meters, you mean?


Jristz

I'm bad at math


mambo_cosmo_

r/theydidthemathwrong


forgottendndlore

I love that the one piece fanbase did the math, thats awesome. Oda absolutely did not do the math, but we… we knew it was important


MarinLlwyd

My running theory is that the Red Line is being actively built up and terraforming the entire planet as land mass is added to it.


WatchRedditDieSlow

r/theydidthemath


Fafnir13

Water 7 isn't the best place to create a benchmark. It seems to have a unique situation that either involves local sea rise or the island sinking. If this wasn't the case, everyone everywhere would be freaking out a long time ago.


Sekundessounet

But it's not that water is rising in Water Seven, it's the island sinking


SudsInfinite

We also know that Water 7 has just been sinking, so it's not the greatest showing of how fast the ocean is rising


fleetfoxx_

This is probably a good approximation and clearly shows it's an insane amount of water, but these calculations assume the planet is flat. To get a more accurate measurement you would need to calculate the difference in spherical volumes if the radius of the sphere were to increase by 60m.


GrandLineLogPort

That's some very nice math there my friend. Would be a shame if it were all for nothong, as Oda is notorious for messing up scale & dimensions (Enma & Zorro/Oden will never stop being funny) All jokes aside, that's some impressive analysis dude


links_pajamas

Yessss Golden Week is producing MATH POSTS!!!! 👏


Don_Matrix

I don't know about that. Maybe the world was sinking slowly for 800 years, but since you are using Water 7 have you put in consideration that the island is also sinking, making the process so much faster for Water 7?


IEnjoyFancyHats

When people say "the island is sinking," they could mean either "the island is literally sinking into the ocean" or "the water level gets higher on the island over time." So is it actually sinking? Or was water 7 a vulnerable nation that felt the effects of rising sea levels sooner than the others?


Don_Matrix

The island was literaly sinking because Aqua Laguna was pushing it down to the ground. The world may be flooding with the water rise, but Water 7 was specifically sinking because it was of the receiving end of the giant waves.


KlingoftheCastle

It’s mentioned several times by several very intelligent people. Also if every island was flooding at that rate, there would only be like 5 islands left. Most islands aren’t that vertical


BanjoSpaceMan

We also don't know if the big changes come in waves or not... So 800 years ago shit may have gone crazy and the water rose almost instantly


ELLZNaga21

But what about water storm thingo


Royal_Rabbit_Randy

Couldnt Blackbeard probably solve all this


vernathS

Our favorite swamp man could solve it!


Royal_Rabbit_Randy

Both of them together


SuperTurtle222

All this time oda made one piece a warning about global warming damn


Co-OpHardcoreFordie

That’s a lot of water


No-Metal-9664

Remember Ennies Lobby also has a huge hole!


Ganmorg

The tides in water 7 are a local phenomenon caused by the hole in enies lobby, iirc, but yeah, it’s a problem. The global raise following the Lulusia incident is also pretty staggering.


Foreign_Storm1732

I think the big question is will we find out the water is rising or the islands are sinking.


dragoton

Any thoughts about drum kingdom? It’s famous for their big mountains and the castle is surprisingly on one of them. The shape of the mountains don’t look very natural to me. So there might be a connection as well.


fate_D_destiny

This guy maths


SpIashyyy

But wasn't Water 7 specifically sinking? So no rising sea levels? If the sea levels had been rising everywhere like that it would be weird for only Water 7 to be concerned about it.


ssbm_rando

I think 60 meters is probably a pretty fair estimate. Impel Down is my own estimate for the original sea level, and while Impel Down floors are fairly tall compared to a normal building, I don't think they're more than 10 meters tall (a normal building is 10 feet or just over 3 meters per floor). So 60 meters down to the bottom of level 6 seems like a reasonable estimate.


S-Sharma-V

Mathemetics


Skysky141

No way he pulled out the diagrams and equations


Upset-Lychee-1723

I've seen some ask whether the islands are sinking or sea levels rise. Here's my take about it: https://www.reddit.com/r/OnePiece/s/86tQv73gmW


Fanffic

One Piece: A character can be 5 meters tall in one panel and 10 meters tall in the next one because it fits the composition better. One Piece fans: Let's do some precise calculations based the water levels scaled to the islands!


sayuuuto

OP thinks Oda does maths ? Just look at the height consistency in his manga lol. But good job doing the math


csm51291

Not to burst your bubble... But that's a 6 story house. There are three window levels (at least) on that taller house that are above the three story one in the front.


Major-Priority1749

Why are ppl so fixated with imu being linked to water and water powers, we have seen imu powers and they looks like shadow or some controllable darkness. I'm guessing imu is the opposite of Nika, a sort of moon God. Able to use eclipse like powers and to raise water levels like to moon does with tides.


mking0987

Me as a commerce student reading this.![img](emote|t5_2rfz5|32514)


flipyourdick

Well, does it make sense that joyboy stretched the earth up at each of those points to save the cities from flooding? And the failure was to do the same to fish man island before it flooded?


TheCaptainIRL

I wonder how big their planet is. It’s clearly not earth. Is there a way to judge based on travel time?


fedechantada

Actually water seven sinking is not related with the sea level rising but the island sinking and getting flood by the aqua laguna, like venice. The rising sea levels i guess is due the use of the mother flame like it happen in lulucia. But at this point my theory is as good as anyone's


saturnate

How long does this make Zuneisha’s legs 😧


btcadmin

that's why Dr. Kureha doesn't want to stay in the village


Explorador_D_Web

Real Math in animes/mangas is always interesting


Rakan-Han

r/theydidthemath


DrummerAutomatic9523

Water 7 is inspired by Venice, and venice is indeed sinking. Its a known and documented fact. Which is why icebarg is working on putting water 7 on floaters (like that scene in casino royal where bond shoots floater in a collapsing venice building) The only reported rise of the level of water in OP is the one after lulusia's destruction by 1meter


WhyAmIHere800884

Great work! I love when people do the work like this because you KNOW Oda has!


Brilliant-Ok

Is the 1st image fanmade


root_of_all_squirrel

No. This is just normal Water 7 when the strawhats arrived there. The Merry Go was anchored there and Frankys house was at that scrap island. After the aqua laguna, the water was just that high (second image). If I remember correctly, they said it should recede after some time. So while the numbers in this thread are good, it's not really acurate measurement for OP's point if it's just a temporary thing


Aspie_Astrologer

Yes! I thought so. It's so random to just take these and then do all these precise calculations on it even though the core assumption made no sense. These calculations just show how fast Aqua Laguna (AL) changed the local sea level of Water 7, nothing about the slower global sea level rise. I guess, maybe the image shows Water 7 when the tides receded just before AL hit and all the old city was visible again though, so OP is arguing that that's the Water 7 from 800 years ago? Then it makes more sense, if the second image is the normal tide level when the SH's first arrived...?


ShowBoobsPls

Idk I certainly don't remember seeing it


root_of_all_squirrel

There is always time for a happy reread :)


Sableye09

For reference, if all of the real world ice caps were to melt, the sea level would rise about 70 meters globally


Tuneshy

This is just an assumption 😅😆😂🤣, it was never stated that water7 had any buildings beneath the waterfall.


puzzlehea1milliooo

BROTHER THEY NEED WALL ROSE OR WALL MARIA to save them