Take 2! The only thing I did in Photoshop this time was add in the pattern for the tunic under her armor. No smearing around hair colors or anything, it's all OpenCanvas.
I tried something different with the shading, too. Some time when my hand ISN'T cramping from being on the mouse this whole time (yeah, I don't have a tablet; I have to use the mouse to do this) I might try an "AU" version of Reina (that's her name) in warm colors instead of cool colors. (And before anyone asks, NO, SHE'S NOT A NIGHT ELF. She's not from Azeroth
Original Coloring practice: [link]
Corrected line art (which is what I colored this time): [link]