Sniffmouse

Once upon a time, a king ruling a prosperous kingdom in a magnificent palace, he was the wisely king for his people. The majesty of the kingdom was apparently not liked by the neighboring kingdom and they attacked and resulted prosperous kingdom collapsed, but before the king died he made a curse to his magnificent palace, that everyone who enter the palace could not get out forever, and that's what happened three centuries later, you go in there and then locked. Good luck and have fun!