You've done the impossible. Taken the worst Kroot model in history and actually turned it into something that looks somewhat decent! Well done good job!
The ink wash isn't bad and the overall effect is nice. However there needs to be some shading and or highlighting on this. At the moment the colours are very stark and strong. Also you really need to think about removing mould lines before priming. There is a very noticable mould line running down his hood that really draws attention away from how nice the conversion is.
Good work and very characterful. I liked it.