Let us also mention that Cameron has a terrible case of Zoophobia and this very well qualified for her as a hearty-helping of Nightmare Fuel and ultimately cause her to have a Heroic BSOD.
The mere concept of being mysteriously transported to a world full of bizarre and dangerous beasts that you only thought to be true in myth and legend; suddenly existing unbeknownst to the rest of the human world is a pretty And I Must Scream fate to say the least. Now imagine having an overactive case of zoophobia and having to work at a school FILLED with animals and strange creatures who view humans as a lesser species. It certainly is Your Worst Nightmare come true at this point.
Also the fact that entities capable of incredible power and providence are surrounding you at all times is endless Paranoia Fuel.
Jack's curse. The guy can't die and is constantly in great pain. Word of God is that he can feel hunger and starvation and yet not die of malnourishment, and also suffers constantly from the pain from scabs and wounds. Ouch.