The piece so far looks great, but something feels off with the lighting. Based on the background it looks like night, but the sides of the characters not facing the light are not dark enough. Another example would be that you added rim lighting on the left side of the goblin (his right), due to the lamp and fire in the background. However, the lady behind him is not as brightly lit even though she is closer to the light source. If the yellow lighting on the goblin is from the flame thrower, I would move it so it is more in the middle of him. Hope this helps a bit.