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It's a nice recolor/edit. The sword's colors could be a little better, and you might want to add a dark outline to keep with the style of the skeleton. Also, work on lineart; the sword looks jagged/not straight at some areas.
also you need to fill in the places you removed the spear from a little better. I kind of doubt that the skeleton has a perfect line of shadow along where the spear used to be, and the arm holding the swords looks like it has some seriously burly action going on