Nope.  Yin is quite personal.  However, describing your efforts to defend someone else?  That's fair game for adding a detail!  (Major Big Deal Point, here....you can describe everything you do as purely defensive and yet still rack up Yang successes.  How you divide your pool has nothing to do with what you narrate.)<br/><br/>And also, that sort of thing is covered by something called 'side goals' which I haven't established in this scene.