Each subclass should have a taunt, like sunsinger should hold a faint sun in hand, bladedancer should slice with a faint arc blade, gunslinger should twirl their golden gun, striker should pound his fists together that causes sparks, defender should crack knuckles which emits void light from his fists with every crack, and voidwalker should cause the air around him to shimmer with void light.

I think Eris Morne is a Sunsis. She does that gesture quite often.