The four steps covered are:
Drafting the first sketch from a set of demon head quick sketch ideas I did previously(see the first video below!)
Working on that sketch to add dark and light values.
Start inking the drawing.
Finish the inks and clean up the art.
Here is the first video:-
And here is the Second part -Drawing A Scary Demon Video 2
Third part -Drawing A Scary Demon Video 3
Fourth part -Drawing A Scary Demon Video 4