Electrokinesis is pretty good power depending on the precision of an attack, usually it's just done as stunning a person but everything in our body is done by some kind of energy and can effect body function.
Read a story about a character that could manipulate person in a fight through muscle spasms in an opponent, disturbing magician focus during spell casting by giving nausea or fatigue, effect people emotions, mind reading or later on taking control of a person like a puppet.