After doing the same method, he got rid of nineteen keys. Some of them were taller for a little bit and some of them were shorter. He had to check several times to diminish the margin of doubt. In the second step, he checked the strange shape of the key. To open the door, the head of a lion had to be put in the keyhole. However, all of them had the same shape. Therefore, he had to check the size of it.
The third step was simply to take two keys and put them in a container. An important gate like that had to have a durable key that wouldn't break. Therefore, it needed to be made from a good metal. There was a kind of metal that was taken from the caves of fire dragons. It was heavy and sturdy, unbreakable almost.
