i like your choice of colors. i think one of the things you could try and work on is making the teeth different shades of yellow... though thats just me in my picky critical sort of way

(imagine what my gf has to go through haha...though im not really that bad im just trying to be helpful...

). and i have a question about shading. since it seems like the light is coming from above the axe and from i guess the readers perspective, would the spike on the back of the axe have shadow on it at all?
here are some quick thoughts of mine about where the light is coming from...feel free to tell me if im wrong cause im not very experienced in drawing, but from looking at what i think is miura's shading this is what i thought...
Edit: the "light source?" is what i think may be a different perspective of where the light is coming from and the "light source" is what i think your lightsource may be...for the close up i think my lines are off...i think the more ominous shading the better. also i used the spray to show wher ei think you might have some shading off. it doesnt make sense to shade the top of a branch when it seems that the bottom of the branch is what should be shaded...but as always correct me if im wrong
