In my opinion the light direction is not very clear right? like if it comes from the right, the leg should have some light parts aswell right? so likke his left leg should have some inside shadow and his right left should have some inside light

The Ak and glock 17 look a bit block but I Don't kwon if you were going that style or not but Overall it looks very good better i can do now

One super easy and fast tweak i suggest everytime is think a bit more about your local values. Right now your range is super small, and objects have a value that doesn't seem to match what they are, i've never owned a gun but in movies or games those firearms are usuall a darker value. The belt i supposed is made of leather, so i make it darker than the pants. The shoes look like a kind of rangers, and when they are not army/marines stuffs, they're usually dark. The wooden box aswell, it's rare to have a wood this bright. And as you can see, just giving objects a very different value already makes the piece more interesting, without going into great lenght to fix the shading or anything else.

No feedback, just wanted to say that this is VERY cool!

Hey there! Such a cool concept! Everything is working really well already! The only thing I did was push the shadows a bit further to create a stronger distinction between the light and shadow areas. This also helps reinforce the sense of volume in the character. I also adjusted some of the cast shadows on the ground and from the weapon. Hope this helps!