» Wed Nov 10, 2010 3:32 am
From my experience, getting kills with a module increases the XP, but some are passive. You just need to choose an active one.
For example, Side Pack won't level Power as it's passive - the kills you get will be classed as Armour kills or Stealth kills. Use Rapid Fire though for example and it'll be the Power module helping you, so it gets XP.
I could be wrong, but that's how I see it. Running and jumping increase it too, but not a huge amount, in the same way being cloaked increases Stealth, but you really need to be getting kills within 8 seconds of de-cloaking to get kills to count for additional XP.