The target transformation value for Stardust is 30, double her EGO characteristic, so Arthur is 16 points short to afflict her with a new complication.<br/><br/>Uncommon & Strong with a single character would only be a 10 point complication.  If the frequency increased to common (Arthur goes after Stardust every time he's able to) or the severity increases to Total then the complication would increase to 15 or even 20 points if both are applied, which is still within the transform's range of effect.