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Any advice/critiques before I continue?
I'm struggling with the positioning of the legs
What is he doing? Is standing, waiting for the enemy to pass and then hit? Or is he sitting, waiting? The situation is no clear
In any case, you certainly need review the legs, I suggest you find reference and work with that.
For those who asked, he's just sitting, looking intently at the crowbar
I'd recommend reference. One thing I do is do the Google images search and then don't pick a specific one, just leave the whole page open where I can see it. That gives me a lot of images that are close, so I'm not tempted to copy any one of them too exactly. Try "man sitting on the ground" and see what you turn up.
I was once on the receiving end of a critique so savagely nasty, I marched straight out of class to the office and changed my major (sketchbook).
Your colors look a bit muddy. Don't use black to shade your darks. Try playing with warm and cool colors. That doesn't necessarily mean blue and yellow. Maybe use warm and cool shades of a yellow orange and use more value. One thing that helped me is to find any of John Singer Sargent's paintings, bring it into Photoshop and using the color picker, see what colors he uses. You will notice he uses warm colors for his lights and cool colors for his darks or vice versa.
Also the way the figure is cropped is awkward. Maybe you should zoom it out so we see him sitting.
Honestly it looks like you're just floundering around trying to make something work that just doesn't, and avoiding doing anything that was advised to you. Where are your references?
The new crop smells like an easy way out. If a drawing is not working, thrash it and start from scratch. Don't try to fiddle around trying to salvage a little part that you like or feel you invested lots of time on it. Is not worth it. Start again. Get your drawing right. Once your drawing is right, then get your values right. Then, and only then start to attempt to get some colour in it.
気計 - Quike
"Yesterday is history, tomorrow is a mystery, but today is a gift. That is why it is called the present.."
The Spaniard's Sketchbook... No holds barred