the upside down is an entity that turns random things upsidedown, is invisible somewhat aggressive, but only when you try to undo their doing by turning things right side up story: you were exploring the "cursed" world with (drumroll)...ME(Lunar_Playz)! and y'all found plants and animals that are upside down, and when you attempted to fix them you heard a strange voice say "stop" the two of you did not stop then the world started glitching and you heard the voice say "I told you to stop" .... *btw credits to BriannaPlays for her awesome Minecraft scary myth videos and being my inspiration for this talkie*