This is good. Very Good. Creepy and horrific, as well, but beautiful, well thought-out. The connotations are interesting. If a story could go with this, I wonder if it would be explained why Snape did this with Harry and not Lily... or if he had done the same with Lily...
I don't think I want to think on this further, but I must say, when I read the warnings of the skin modification, I was not going to look. I have serious issues with the topic since my mind automatically links to cannibalism, but this picture has no blood. Or other stains... and it's beautiful and so I do not cringe in horror and slam my eyes shut thinking happy thoughts, but I look and analyze and look slowly away, dissociating myself from the nightmare this must represent. And I am not experiencing prolonged negative thoughts, so thanks. Thanks for your portrayal.