This forum is to be used for all discussions pertaining to Divine Divinity, Beyond Divinity, Divinity II: Ego Draconis, Divinity II: Flames of Vengeance, or The Dragon Knight Saga.
Ask the captain of the guard at the gate of stormfist castle, if you have to letter of invitation drop it unless you are ready to enter, i would say only go in once you have completed a lot of the game because you will have qiute a bit of travelling ahead of you.