The Sorcerer's Deed

This story is about 3 sisters who gets kidnapped by an old man and then they get an egg and a key and get told not to go in the room at the end of the hall but 2 if the sisters do and then they get chopped into millions of tiny pieces or big chunked pieces. 1 sister saves them both and then they burn down the house with the sorcerer inside and all of his family and they die.