You were getting to bed. You layed on it, cover yourself with blanket and slowly drift asleep. Your room was dark as usually, the wind was warm since it was Summer time. You were almost asleep when you heard this.

knock knock knock knock

You wanted to stood up and see who it was, but then you heard teh window open itself and soemthing flew inside and gave the room more dark shade and atmosphere get a bit cold. You get spines down your body. What will you do?