Where are the pieces for becoming a fire breath dragon in how to raise a dragon?

To get fire in How to raise a dragon, you have to go to the fireplace around the bottom left of the castle. The second one is the candlestick two stories below the highest area in the castle (the highest area has the sick wizard). To find the third one, you have to find the staircase farthest to the right, go to the top of the staircase, and head for the room on the right. You will be on a platform where you will se a lantern that you have to eat to get the third piece of fire breath. The last piece is in the area right above the sewer, and you will find a candlestick supported by something on the wall. You can get that piece by jumping and then biting it (timing is essential). Then you have fire, and you can escape through the sewer or by burning the haystack around the right of the castle.