The weight per cubic foot of concrete is about 150 pounds, and the pair are least on the fifth floor (according to the official wiki, so they will be falling a minimum of 40-50 feet.

Arlong Park's tower seems to be built more like a multi-story home than a castle or office building, so we can estimate a weight of about 60 pounds per square foot of footprint per floor.

Judging by the outside of the building, the second floor is at least 2 times as wide as the fifth floor, which, since it's a square, means it is at least 4 times as large a floorplan. The 1st floor is even wider, but for the purpose of this, I'm going to assume that I can view each floor down from the top as one more multiple of the fifth floor's area (2x on 4th, 3x on 3rd, 4x on 2nd, 5x on 1st).

The map room is said to be the only notable room on the 5th floor (because it was the only room up there shown in the manga/anime), but we can see clearly from the outside that the 5th floor has 3 windows on each side while the map room only has 1 window on 1 wall when Nami is first introduced to it (page 979), so it should only be about 1/9th the area of the total 5th floor. If we assume that the bookcases in there are about 6 feet tall (matching up with "a few inches over Luffy's 5' 7.5" on page 975" and "about double Nami's childhood 2' 6" or 3' height on page 979"), then I would assume the wall with the drawing desk to be about 15-18 feet long.

Since every other depiction of the room makes it appear to be square, I'm going to assume that it has a width of about the same amount, giving us a total area of 225-324 square feet for that one room. Multiply that by 9, and the total area of the fifth floor is 2025-2916 square feet. Multiply that by 15 (1+2+3+4+5=15), and the total building area is 30,375-43,740 square feet.

Now multiply the total area by the 60 pounds per square foot weight, and you get 1,822,500-2,624,400 pounds of concrete falling on Arlong's head, not counting any other furniture above or spiky debris below. That gives us 1d6 standard + 5d6 fall (because partials round up) + 9,112d6-13,122d6 debris.

I have to say, the health pools and resistance levels in One Piece would have to be exponentially massive to survive that building collapse in 3.5, particularly when the entire force used to crack the building in two was delivered THROUGH Arlong's body.

If I'm remembering correctly, 3.5 had you roll a reflex save against falling objects for half damage, or no damage if you've got evasion (Not sure if either Luffy or Arlong would have evasion) but even with half damage, with damage numbers that high (usually over 50) you've also got to roll a fortitude save against massive damage to avoid instant death.
Not sure what type of damage 'damage from falling objects' would be, but if it's Bludgeoning, Luffy would be immune.

29th Mar 2017, 11:45 AM"All of the foreshadowing!"

Anyone else think this is a hint that Nat originally wanted to play as Jinbe? In the far, far, far future when we get to Impel Down she could finally pick that character up

Well, seeing as how Jinbe's also kind of a Mr Plot, and Nami likes having plot lines in her backstory and playstyle, I could definitely see that happening.

Guest29th Mar 2017, 12:17 AMOh wait, there's an actual strategy here. Luffy's immune to bludgeoning but Arlong isn't.

...How much damage does a collapsing building do?

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Malroth29th Mar 2017, 3:00 AMIn 3.5 It's 1d6+ 1d6 for every 200lbs of weight + 1d6 for every 10 feet fallen (round partials up)

In Pathfinder i think it's a flat damage die based on the objects size so just 10d6 for this colossal sized building

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Calculating...29th Mar 2017, 10:24 AMThe weight per cubic foot of concrete is about 150 pounds, and the pair are least on the fifth floor (according to the official wiki, so they will be falling a minimum of 40-50 feet.

Arlong Park's tower seems to be built more like a multi-story home than a castle or office building, so we can estimate a weight of about 60 pounds per square foot of footprint per floor.

Judging by the outside of the building, the second floor is at least 2 times as wide as the fifth floor, which, since it's a square, means it is at least 4 times as large a floorplan. The 1st floor is even wider, but for the purpose of this, I'm going to assume that I can view each floor down from the top as one more multiple of the fifth floor's area (2x on 4th, 3x on 3rd, 4x on 2nd, 5x on 1st).

The map room is said to be the only notable room on the 5th floor (because it was the only room up there shown in the manga/anime), but we can see clearly from the outside that the 5th floor has 3 windows on each side while the map room only has 1 window on 1 wall when Nami is first introduced to it (page 979), so it should only be about 1/9th the area of the total 5th floor. If we assume that the bookcases in there are about 6 feet tall (matching up with "a few inches over Luffy's 5' 7.5" on page 975" and "about double Nami's childhood 2' 6" or 3' height on page 979"), then I would assume the wall with the drawing desk to be about 15-18 feet long.

Since every other depiction of the room makes it appear to be square, I'm going to assume that it has a width of about the same amount, giving us a total area of 225-324 square feet for that one room. Multiply that by 9, and the total area of the fifth floor is 2025-2916 square feet. Multiply that by 15 (1+2+3+4+5=15), and the total building area is 30,375-43,740 square feet.

Now multiply the total area by the 60 pounds per square foot weight, and you get 1,822,500-2,624,400 pounds of concrete falling on Arlong's head, not counting any other furniture above or spiky debris below. That gives us 1d6 standard + 5d6 fall (because partials round up) + 9,112d6-13,122d6 debris.

I have to say, the health pools and resistance levels in One Piece would have to be exponentially massive to survive that building collapse in 3.5, particularly when the entire force used to crack the building in two was delivered THROUGH Arlong's body.

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Calculator Jr29th Mar 2017, 11:21 AMYou are the person I aspire to be someday. Kudos on figuring this one out, Senpai *v*

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Eliza30th Mar 2017, 2:02 PMSo that would be anywhere between 54,732 - 472,392 damage i think.

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Inuzuka30th Mar 2017, 3:11 PMIf I'm remembering correctly, 3.5 had you roll a reflex save against falling objects for half damage, or no damage if you've got evasion (Not sure if either Luffy or Arlong would have evasion) but even with half damage, with damage numbers that high (usually over 50) you've also got to roll a fortitude save against massive damage to avoid instant death.

Not sure what type of damage 'damage from falling objects' would be, but if it's Bludgeoning, Luffy would be immune.

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Rastaba29th Mar 2017, 11:16 AMArlong Park comes crashing down! Crashing down! Crashing down! Arlong Park is crashing down, but won't hurt Luffy!

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Erathia29th Mar 2017, 11:45 AM"All of the foreshadowing!"

Anyone else think this is a hint that Nat originally wanted to play as Jinbe? In the far, far, far future when we get to Impel Down she could finally pick that character up

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Guest29th Mar 2017, 12:56 PMmaybe chopper?

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Super_Big_Mac30th Mar 2017, 10:39 PMWell, seeing as how Jinbe's also kind of a Mr Plot, and Nami likes having plot lines in her backstory and playstyle, I could definitely see that happening.

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Sutremaine30th Mar 2017, 10:35 PMI only just noticed how large Nami's hand is. Now I can never unsee it, nor can I see anything else in those two panels.

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