The unit colors are garish.
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*In essence, creating such textures wasn't difficult. Just apply a couple of functions from Paint, and that's it...
Red became purple.
*I would suggest a deeper color scheme. For example, using black and dark purple colors. 🤔You could also use Black + Blue (for the context of the Abyss, which would also work).
*In addition to the color issue, I would say that their color palette doesn't match the unit names and the underlying idea. I think other colors and their combinations would be more suitable for their names and descriptions.