Witch of Wisdom

You discover a abandoned castle and adventure through it. All the door are destroyed other than one that sticks out from the rest. You decide to find out what is so special about this room. You open the door and walk in. Your confused, it looks like you are outside with golden trees everywere but this place does not appear from the outside. As you look around in the vast space around you, you are met with a middle aged woman with a book in her hand. The door slams behind you. (please do not try to make a relationship with this character.