The Other Four: Icon Preview

Ok, so I have a BIG project I'm working on involving these and wanted to give a 'teaser' and to see what ya'all think.

All I can currently say without giving too much information is that each one represents a base element: (starting with top left, clockwise) Fire, Wind, Water, and Earth.

Because I have plans for these in the near future, I will not be giving permission to use them elsewhere, YET.