#a ghost's horrified reaction when they slam danny into a wall and hear bones break

[samuelcolon]

This + other ghosts' reactions to halfas.

Because. Halfas do not seem to exist naturally. The only three we see in the series were created in lab accidents/experiments. They are clearly not supposed to be Like That.

Imagine you're just Ye Old Average Ghost. Maybe you were alive and died, or maybe you just came to be in the infinite realms. Either way, you know that there is a clear divide between the Living and the Dead. Physically, mentally, GEOGRAPHICALLY, it's obvious that death and life are meant to be separate.

And then one day, you hear whispers of a ghost human something that throws all that out the window. Something that is somehow both, that can switch between Dead and Living as easy as breathing (or the ghostly equivalent). Your entire world view is turned upside-down, because this thing's existence forces you to acknowledge that the line between life and death isn't that clear.

But you can comfort yourself with the fact that this... thing is weak. It's barely clinging to Life after whatever happened to it and it can't control the powers that, for the rest of your kind, come as easy as breathing. It's Different (read: terrifying) but no real threat, right?

oh would you look at that it got Better and now it's incredible strong and seems to have a vendetta against both the living and the dead isn't that neat

At the very least, you can comfort yourself with the knowledge that there's only one of them. It was born in a freak accident, what are the chances a human dies in a ghost portal again??

oh you've got to be fucking kidding me

i mean at this point you've really gotta start giving thought to these things, because two ghosthumanbothneithersomethinginbetween of these things is a Bit Much. They are quite literally violating the laws of nature. Is that not terrifying? Knowing that there are two impossibilities walking around and making you realize that one of the biggest constants in your life might not be so constant?