awesome, you better do this justice! :) Your diffuse is rather dark, even if it is a "darker" stone it still looks very dark, One thing to keep in mind is if you start with a dark diffuse it will be very difficult to make it bright with lighting, which means you're already limiting yourself in the range of colors your…
Thanks for your advise ill definitely keep that in mind im going to bake my matcaps into my diffuse so ill definitely try and lighten them through that. im still going to do a final texture pass to them to get some more color in them to get rid of some of the monotone-ness to the assets