Creepy illustration

Time to wrap up this month's project with some tweaks to the final image and a bit of compositing of the PBR passes in Photoshop. So here is the final illustration with all the NPR passes combined (I know it is quite heavy on the 'texture' side but that was the intention so on top of the NPR filter passes I overlayed a few texture layers in Photoshop or extra 'grain'):

You'll also probably notice the extra character on the window... that's the guy I used earlier on to test some of the filters and I quite like the expression so I decided to include it in the final version using Photoshop.

Now let's get into the specifics of this image and how I put it together...