if you are playing alone at night, with your friend in the christmas quest... there is a threat that can destroy your life and control the mind of your friends... the name of this monster is Nita... cough
Evil Celestia
or Celestia's Homunculus
First she plays like a princess, she helps you, gives you tea, talk about life..... then after help you and your friend .......!!!!
SHE KILLS YOU!!