You may not use ANY editing tool to move, remove or duplicate any element of your photograph that would change a typical viewer's description of the photograph (aside from color), even if the tool is otherwise legal, and regardless of whether you intended the change when the photograph was taken.
I think this could have been a really cool photo. What hurts this photo IMO is that the horizon line is slanted and the white at the bottom of the frame is very distracting from the photo.
I dont know what you have done here. There is not much connection between the foreground and background and not sure what the white areas are meant to represent. Perhaps I am missing something.
I see fire, water, earth, but where is the air? Interesting. Noisy. Looks like you cut it out on the sides where the white is. Try using a brush that is feathered, or the feathering with the selection tool, so one area blends into the next area in a more natural way.