Which elemental affinity is the most useful in real life?

[Pukkake Pokayo]

Well the Earth is like 2/3 water + global warming lol

Plus humans are already capitalizing and manipulating water & air to harvest energy.

So raiton or doton

 

[lndra]

Wind.

 

[Chaosmark101]

Water or Lightning

 

[TNC Xlll]

water and wind release

 

[Aquamarsh]

Wind or Water

 

[Beans2]

Definitely earth.