It’s a common elemental theme we see across stories, fantasies, etc. It seems like it is an element that should be part of that pantheon but maybe there is a scientific explanation of why it isn’t? Or is it simply, they did not have enough understanding of it at the time those 4 were suggested.
Because ancient people are dumb.
In Avatar: The Last Airbender, Lightning is part of Firebending.
In Chinese culture its actually: 金木水火土
There is apparantly 5 elements. And Metal (金) and Earth (土) are separate elements. In this universe Toph Beifong is not an Earthbender, but can only do Metalbending. Lolol.
There should be a 电 （Electricity）
Funny how Air isn’t even in the Chinese version of the elements, so:
金木水火土电 and 气
Metal Wood Water Fire Earth Electricity Air
7 Elements to conquer the world?
Might as well just pull up the periodic table lmao.
Could be fun.
Long ago, the 118 nations lived together in harmony. Then, everything changed when the Ytterbium Nation attacked.