"...the Mildly Disturbing Halloween Hatsómoldering, eldritch veils of such manifold depravity, the human eye will not process the sheer enormity of their malevolence, and out of self-preservation will merely show you paper bags with faces on them. These faces are still moderately scary, though, so brace yourselves for mild terror!"
"You don't perceive our true appearance. Your existence and ours are different. My form, and what you think you are seeing, are not necessarily the same."
— Mokkurkalfi, Ah! My Goddess
Merlin: Shall I tell you what's out there?
Arthur: Yes, please.
Merlin: The Dragon. A beast of such power that if you were to see it whole and all complete in a single glance, it would burn you to cinders.