The process above demonstrates the freedom of stylizing a semi-realistic manga face in unlimited ways possible once you have the foundation set - that is facial proportions, shown in the first 2 steps.
The first step accounts for 40% completion (not kidding!), get this about right and the rest is fun rendering.


Click Download for full-resolution.

http://eddy-shinjuku.deviantart.com/art/Saber-Fate-Stay-Night-Steps-570956888