Did some tweaking myself. Yeah I agree with Johnathan with the hammer there, looks like a flat piece of wood with a hammer shape to it. I added depth to it, as you can see from here. I've also made shadows for the shadows of your swords too. Don't be afraid to make shadows for the shadows. Especially for cubes, polygons, etc. Overall, very nice sprites you have done for such a small project like this. I am impressed

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Here's my example:
