Well, when you have a skill and it activates without you doing anything, it's passive. The sparkles were a passive I set to trigger on introducing myself. I then forgot about them because nobody wants to meet me. [This is all in a tone that sounds like he's reviewing last week's homework problems.]

[He shrugs and thinks for a moment, then grins.] A lot like the jet of fire when someone punches me in the face. That one's fun.