You set it free by clicking on your Chocobo, Click on your Items Pack, Click on Eggs, Drag the egg you want to get rid of over to the Egg Info tab to the right of the screen, Then click the button with the Pine Trees on it.
Then the Kingdom will take your egg you now you have a free spot open for another egg.
First you weaken him, attack the chocobo that you want until his HP is critical, then walk right up next to the weakened Chocobo (make sure you dismount if you're already riding one) with the Chocobo Knight and choose the "mount" ability, the mount will be where the opportunity commands usually are).
The Crystal Egg was created in 1897.
Talk to stable master is your home nation, he will give you a handkerchief and then you have to find that handkerchief during LONG WALKS with your chocobo. Also I believe that you need to have built up your relationship or love with you chocobo.
it hach is from an egg
there is no jirachi egg trick, but there is a celebii egg trick in Pokemon crystal
It varies
It impregnates your pokemon
after 5000 steps
a dragon
Tales of Tomorrow - 1951 The Crystal Egg 1-9 was released on: USA: 12 October 1951
agast?
This will be a crystal dragon.