Dawnfire posted:

Worth noting that doing the tutorials for each class unlocks that outfit for use on any class. Really great option as they have some very neat looking class armors.

Edit: Impulse is essentially a number of bonus damage attacks you get. If you look at the icon and number above the dash indicator you'll see your number of impulse attacks. You'll also notice certain attacks list that it uses impulse charges, which means it'll burn a charge automatically when used to do bonus damage based on the Impulse Damage stat in your char sheet. I believe impulse damage is affected by Spirit.