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On avatar the last air bender, how does the earth-bender work ?

For example if they use their bender to control earth/ground, like making a wall using their bender, does it make an empty room below the wall ?

Does it make the ground unstable or possibility of erosion ? In my mind, the earth/ground is like a puzzle that, or am I wrong ?

Here some demonstration:

enter image description hereenter image description here

Or when they trying to close the pit from the result of their earth bender ability, does it make more complicated ?

enter image description hereenter image description here

Relevant video on YouTube, watch at 1:20 - 2:05

Gagantous
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2 Answers2

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With the exception of some aspects in fire bending. All bending abilities in avatar work under the premise of manipulating the {%insert element here} that already exists.

An example of this is in the water benders drawing moisture from the air, or better yet, the way blood bending was explained. It is said to be possible because a persons blood contains water (the bender cannot simply create water from nothing).

This is also why water benders like to carry around waterskins. In earth bending it is less obvious since there is earth everywhere, but there are a number of episodes where they are stranded somewhere away from their element and become somewhat handicapped.

Whether the ground becomes unstable after earth bending would be entirely up to the bender themselves, although I would say there is such a thing as "best bending practices" where they would learn to use the existing earth in a way that doesn't deteriorate the structure.

It does not have to create a mirrored empty space like the image of a puzzle you are imagining, but if the bender wanted to they certainly could! Instead they would perhaps use a smaller depth of the earth spread out across a larger space along the caves wall/floors to create their new earth wall.

This would result in the existing space in the cave expanding, its just unnoticeable because of how spread out it was. The point is that there are soooooo many earth bending styles shown that although we can confirm that they must use existing earth, we can not confirm how any potential bender would use it because everyone bends a little differently! The large wall would indeed require to be made out of existing earth, however as a nation-wide project I would say that it is fairly self explanatory that they would have collected earth from a place that would not make the entire ground unstable.

enter image description here

Edit for linkable reference:

The Prison Rig is a perfect example of this. The fire nation constructed this prison to hold earth benders and the reason it works is because it is made entirely out of metal and is miles away from any rock or earth so the earth benders have nothing to control. Thus, it is canon that earth benders must use the existing earth to control/manipulate. The way they escape this prison Book 1, Episode 6 also confirms this point. The entire reason the last fight I am showing in the picture below was dramatic is because the earth benders had just the small amount of stolen coal to use in their fight.

Epic Fight

side note: avatar is no anime :P

Jesse
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    `side note: avatar is no anime :P`, but somehow, in Anime SE, have `avatar` tags – Gagantous Nov 03 '17 at 04:58
  • is there any credible source for that information ? – Gagantous Nov 03 '17 at 05:56
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    I mentioned both exposition and scenarios from the show which indicate this is true. You can watch it to verify if you like, the animation all throughout the show also implies this fact https://media.giphy.com/media/OoaTf8fEuesP6/giphy.gif – Jesse Nov 03 '17 at 06:17
  • did this happen too with the wall that have height about 50 meter ? – Gagantous Nov 03 '17 at 10:39
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    btw about why avatar question is allowed on this community: meta.anime.stackexchange.com/a/2536/1587 – Gagantous Nov 03 '17 at 12:24
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    Additionally we have A LOT OF EARTH on earth. It is a asian medivial setting, the population is relatively small, the earth benders are simply not enough to make the earth unstable, just like moles don't do that if scattered enough. Earth benders are even better than moles given that they close their holes most of the time. – SK19 May 12 '18 at 06:12
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While it is correct that earth and water benders can only really manipulate material that is already there, I assume, because of the fact that rock is so dense, that an earthbender could extract rock from the ground, making the ground a little less dense as they do so (Leaving little tiny holes in the ground) and use the rock for whatever they want.

Mac Stringer
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