Cryptowizard: First NFT collection

Hi folks!
I'm launching my first NFT collection called Cryptowizard. A series of wizards with different powers and abilities.
I'm still struggling with the basics of pixel art, like shadows and light, but I really love it. Love to have your feedback. My full collection is on sale on Opensea. using the Polygon Network to mint it.

Thanks for reading.
George Gaston Pombal