I admit I haven't worked on this as much time as I should have. But my visions are always a little messy and here goes my enterpretation of Blackshade's hell hounds.
(forgive me for the messy paper I draw on)
1) first of all, what is a hell hound without something demoniac in it? Bones' n' horns are the first thing that came to my mind and inspired me.
Indeed I wanted to put into their bodies more metal: chains, gears and prosthetics so I happened to research the anatomical body of a real hound.
But at the end I kept it simple, since everytime Blackshade came with his hounds, I figured ou