Start out by sketching in some basic guidelines. I used mainly a 9B pencil for this drawing along with an F for some details.

Roughly sketch in the dragon's head.

Sketch in the neck.

Roughly shade in the drawing.

Lightly blend over the drawing with a paper towel.

Add a dark outline to the dragon.

Blend in the background and darken it some more.

Erase some of the highlights from the dragon's head.

Roughly shade in the dragon; head.

Start darkening your shading and adding details. Work from top to bottom. You can use an F pencil for details if your 9B pencil seems to blunt.

Shade in the rest of the head using mainly the 9B pencil.

Roughly sketch out the scale plates on the neck.

Roughly shade in the neck.

Finish up the drawing by smoothing out your shading on the neck and in the background.