I was thinking of lightning, but then that is aether province so i didn't put any.
Also i didnt know should i put any elements symbol. In the end i did put one on the knee, but color composition does not lend itself to the bright blue. Didnt put place for one in the sketch a now it feels grafted.
Lesson: should finish picture quickly and in shorter time period with more preparations and research.
As for time knight: ok i will draw time knight next. I could make him rather burly armored sage with epic staff in the warhammer 40k psyche marine fashion. keep suggestions coming i will start drawing first sketches soon.