>>9511194They probably wanted to have the unmasked head and both of his guns, plus his backpack, and that point he's already got 4 accessories already, which is high for a standard TVC, plus cloth goods and a higher number of paint apps. It probably just made more sense to make him a Deluxe and add in some extra items, like a removable rocket, the three blast effects, and the two Stormtrooper heads, making for 10 accessories total.
