you went sleep at night unless you wake in dream world at your landing, you see strange door open. you went to take a closer look at it and you decided to go through it. when you got there, you were at the Grim Realm.. you see that someone is coming, then he notices you. "stay still!" he pointed his crossbow "or you will be the next one of the night terrors.." he's serious. but you can see that he doesn't seem to be on the good side.