So you're an diablo Fan?
And you have a demon at home?
So what you need is...?
Right! A Soul Stone!
Step 1: Materials
A CD cover (or any other thin Plexiglas)
Black and Red acrylics
Step 2: The Shape
Break the plexi Glass into Medium piece stand glue them together into the shape you like
Step 3: Details
Break small pieces and glue them on your shape Till You like it
Step 4: Paint
Take the black Paint and Paint it
Than take the red one and Paint on Little red points