Welcome to the community. I am not very familiar with the NFT art.
I liked your drawing during the first steps but the end result is confusing to me. Can be it's my brain but it feels to me I see legs and arms (limbs) hidden in the devil. Am I the only one?
What is the demanding part of NFT art? Isn't it the same with all art or everything we like to be famous, wanted or try to get sold?