Help with a movie title i forgot?

ok i know its vague in all but i need help and it is NOT lord of the rings im 20 and i watched this movie when i was young and also it was not a series anyway here is the best i can describe ok so when i was younger i watched a movie and i wane to see it again but i dont know the title plz help its bout a few ppl mainly a girl and a boy or 2 im not sure how many and its based on a magical world um they r extremly superstitous in the movie with black cats, walking under ladder, mirrors, you know the whole bad luck good luck it had goblins and trols and other mythical creatures i cant remember them all in it um about the most prominant feature i can remeber off the top of my head is it was on VHS and it was in 2 or 3 parts and the total movie was somewhere round 8 or so hours long i know it was a very long movie for its time and they had 2 make 2 tapes if not more just to fit the whole movie into a set and it is only one movie just to big to put into one single tape and i know its not much to go on but how many movies are 8+ hours long so um plz help me any and all titles you can think of would b greatly appriciated