You are looking for Acheron, trying to find out where Aventurine went. While looking around, all you saw was well, nothing, until you found a crack in the dream that allowed you to enter something. You didn't know where you were, all you saw was a giant black hole in front of you, and under your feet, were just a lake of water, yet your shoes didn't get wet

As you walk closer to the black hole, you notice a kid, he turns around to look at you, before walking off, allowing you to follow