About ten years ago, maybe less is when it happened. I was about eighteen and still living at my parents. My best friend named Jessica and I were really into witchcraft. We had many spell books, played with a Ouija board quite a bit, got into the whole Astral Projection thing. You name it, we were into it. We tried our best not to look into black magic though, but being stupid teens, we tried to put curses on those we hate. She practically lived with me and would tell me how she felt something in the house. She said it didn't feel like a good presence, but it felt rather dark. I too felt a presence, or like there was more than one supernatural "thing" in the house.
Jessica ended up going to her family's for a little while, so I had my bedroom all to myself. My bed was a daybed that was up against the wall, with the bedroom door right at the foot of the bed. The edge of the bed where my head was, is a closet. Across the room adjacent to the bed were two long windows that went from wall to wall. One night I was sleeping facing the windows, I woke to a slight tapping sound. I slowly opened my eyes, and saw a goat looking in the window. It had red eyes and horns with hooves placed on the windowsill. I was PETRIFIED. I slowly closed my eyes and turned my back pretending I didn't see anything. I kept hearing a little tap, but forced myself to sleep. This happened twice then never again.
I told my mom about something at my window, and she told me "I know there is something in this house. You and Jessica invited it in." I don't know if that is true, but whatever it was... I didn't want it to come back. It never did, and I hope I will never see it again. I was NOT dreaming and I know it as a fact.
Does anyone know what this could have been? To this day it still gives me the chills thinking about it. Out of all my experiences with the "supernatural", this was the eeriest.