As soon as you put the glasses on you can see the name of everyone around you, as well as several strange actions, such as "Passed gas at a formal event, blamed it on the dutchess." "Accidentally let himself, hang-free... in public." And "Had sex in a pile of excrement."
The tree rotates respectively.
"A group a vampires has variously been called a clutch, brood, coven, pack, or a clan. A rare disease caused by magic causes vampire-like symptoms, such as an extreme sensitivity to sunlight and sometimes hairiness. In extreme cases, teeth might be stained reddish brown, and eventually the patient may go mad. A vampire supposedly has control over the animal world and can turn into a bat, rat, owl, moth, fox, or wolf."