You can use your Golden Soul Activation Code (herein referred to as a GOLDEN STAR, of course) in Rocket Club. But there is really no advantage in doing so. Other than to be nice to me, of course. However, your serial number is used to identify any assets you create. So if you add...
you have to approach Braya as a Conjurer in order to be eligible for this quest. This means having to unequip the Soul Crystal. It makes theUnicorn Powerquest semi-hidden and somewhat difficult to find if you don't know what exactly