Scery story where I almost shit my shelf

So I was 11 at the time and my parents went out that night I watched a scary movie and I had some snacks middle of watching a scary movie I Hurd a bang in my basement so I said to myself it is ok it is ok calm down so I was so thirsty so I went to get some water on that moment the electricity went off and I Hurd a bang again so I said it ok so I said I just should call my mom to say look the electricity it off so yeah don't mind me my phone was on 5 percent so I remembered my dad have a power bank so I went to go look for it then I remembered it is in the basement so i was like girl just go get it so I went down so we have this big mirror in the basement so I look first if there's something when I turned to look in the mirror there was a figure in the corner of the storage room so I said girl it is your imagination so I when did doodle doodle look for the power bank just when I found it I turned around and figure was at the back of me so I black out suddenly I was on the couch again like how the f### did I went to the couch did I spawn there so I was like heavily shaking so I saw that the basement door is still open so just when I went to close it the figure was just down the stairs and I was like hell no so I slammed the door so I chilled and rest a little bit a few minutes then the power went on so I was like yeah ok so yeah then my mom and dad came home and I told them everything but I did not believe me so yeah and a month ago after all that we left the house.I hope you guys love the story