"If I told you the trick, it wouldn't be magic anymore," he smiled to her.  "Do you want a lesson in combat without heated words?  You could be quite good if you wanted to be.  You carry a knife but I doubt you know how to use it.  Most of knife fighting is grappling and you would be easily overpowered by a larger combatant," Kalys stated these words as fact.  "Unless you have some other magic that you've yet to show me."