Styleframe

Old school horror approach

Some realism with a graphic cell animation treatment

Comic book, cartoon outlines

Ugh

Sticky drippy goo

Simple graphic/cloth

Worms

I feel this vein/artery approach would make it appear that his mind is inside of his body

I imagine the landscape to be flesh tone with stretching skin outlined with tattoo ink strokes

 

Ghostly melting drapery

Updated