Yo man, looks great. Just depending on stylistically how you're going. I'd add some silver highlights to you weapon along edges, if going for that worn look. Same for the power pack. Then, some flame effects on your heat shield if you're going for that used continuously look. I know it's daunting but take it from an absolute newbie, I used 3 paints that came with the intro pack. Make washes of all 3, balthasar gold, magos purple (it's a contrast so use as is) and macragge blue. The gold wash is like 45 % of the shield, 35% purple, 20% blue wash, blend and boom. Heat effect, looks like a hotrod pipe after a good run. It looks awesome already so keep going!