Description:
"You are not accustomed to feeling frightened, are you, Doctor? You are very wise to be afraid of me."
Submission for EQD ATG XIII
Day 17: Draw a pony facing their worst nightmare / Draw a pony scared senseless
I know the Great One- ALL PRAISE TO THE GREAT ONE! -wasn't actually visible in this scene (or at least, I have realised that since finishing the sketch), but I think it makes more sense in the picture for the Doctor to have a physical object/creature to be afraid of.