Hard coat over the top. Otherwise you are quite right, the paint doesn't stay.
These are also minatures from the range released at 3rd ed. So they may be of a different quality of metal/finish.
The other thing that I have been noticing, I haven't done highlights on mine. I think that really makes a difference in the black/grey feel of the colour scheme. The lighter the shading, the greater the contrast. Maybe try a darker shading and see if that gives you a result more to your liking.
Personally, I think the minature looks awesome as is, but that's just my opinion.
no subject
These are also minatures from the range released at 3rd ed. So they may be of a different quality of metal/finish.
The other thing that I have been noticing, I haven't done highlights on mine. I think that really makes a difference in the black/grey feel of the colour scheme. The lighter the shading, the greater the contrast. Maybe try a darker shading and see if that gives you a result more to your liking.
Personally, I think the minature looks awesome as is, but that's just my opinion.