**Part 43:-**
The Fishman Island, The Sea Forest, Joyboy's Promise, The Tree of Eve, and The End of All Devil Fruits
900 years ago, before the destruction of the ancient kingdom as well as before the great flood (see **Part 7**), the sea level was drastically lower.
Fishman Island - The Sea Forest
The Sea Forest was originally a land forest 900 years ago. Due to the flooding, sea level rose drastically and consumed the whole of the land that is now known as Fishman Island.
Joyboy's Promise
The promise made by Joyboy was not to bring the whole Fishman Island up 10,000 feet above to the Sun. The promise was to destroy the Red Line and bring the water level down back to the original level so that the Sun directly shines on the people who dwells at the Fishman Island. However, without the right people and right items, Dyras was not able to do so. This is one of the biggest regrets he holds in his heart, for which he apologised to the Poseidon Agashi ~800+ years ago.
The Tree of Eve
The Tree of Eve was not originally that tall. However, in the centuries being buried under the sea, it has never die. However, it continuously seek the sunlight and over nearly a thousand years of seeking the sun, the Tree of Eve has grown ever so tall.
The End of All Devil Fruits
At the end of One Piece, there will no longer be any devil fruits power. The reason for devil fruit users becoming a "hammer" and sinking whenever they touch the sea is not because Mother Nature hates them or because of any random "anime logic" - the true reason is because of the eternal yearning of the "fruits" wanting to return back to the original soil/land that is thousand of feets below the current sea level. All fruit users have an innate yearning to go back to where they are "born", an innate intuition that has been lost to time.
(Original Post:
https://www.reddit.com/r/OnePiece/comments/z97pgl/_/j4bozrz
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**Part 44 to be continued.**