When it comes to Eastern Fantasy, you guys need to keep in mind that Eastern Magic is different from Western Magic. A lot of the time, Eastern magic involves spirits, gods, chi/inner energy. 

Eastern (Or rather Chinese) elements are the following: Water, earth, fire, wood, metal. Air is often forgone for whatever reason, but feel free to have air in it too.

If we were to use Japanese elements: Earth, water, fire, wind, void (ether)

Void is regarded as 'Heavenly' or 'beyond everyday experience' and is often related to the concept of 'Pure energy' and metaphysicals like thought, spirit and creative energy.