Valo's gonna draw sometimes.

[Gors]

the biggest problem i can see here is that the shading doesn't look strong enough. Metal surfaces usually have high contrast and even if the character happens not to be metallic, a little bit of contrast can work wonders

One little tip I can give (if you have photoshop) is to open up the drawing on the program and play with the color filters. Even changing filters mindlessly can yield color schemes that might surprise you, trust me

SAI lacks the color filters and additional effects photoshop is known for, so try working with both programs in tandem - SAI can even export in .psd format!

this being said it's a nice start my fam, keep up