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This is a really cool hero concept, but the visuals are not very good. I would arrange the centipedes more densely, make them more repulsive and chthonic (hello! we have demon-insectoids here! I can find worms like that in any park), you could even mix them with cockroaches, maggots, bedbugs, and other nasty things, and work on the face – maybe keep the concept of a magical eye-funnel in the center, but with a denser body and framed with various mandibles and segmented legs; that would be more effective. And I would probably move away from humanoid forms, even if just a little. Right now, it's just a bunch of centipedes floating in a blue mist, which is uninspired.