This egg is a luminous silver, and is freezing cold to the touch.
Gryphons are noble and majestic creatures, and their eggs are not often come by. Gryphons nest high in mountains, and protect their young fiercely. If an egg is acquired, it was through permission and not theft. These creatures live for hundreds of years, and are wise, powerful beings. If a master is kind and loving enough, a gryphon may even allow them to ride it.