The Pocket Dimmension

You wake up in a house you dont remember, or so you think. You are being stalked by a black figure that looks like you...but also doesnt. You need to get out of this place, but in your journey you fall into the hands of the black figure. And you are transported to its Pocket Dimmension. The thick liquid that floods the dark room and prevents you from moving normally, so you decide to hop one jump at a time. But you can hear the black figure lurking behind you. The only way you think you can get ...