kryll are bird-like creatures that live only for their preatory nature, extremely photosensitive, sunlight will kill them. acording to silver, they "only live to eat you." though dragons are invulnable to their attacks, any other creature would be eaten alive. that said, they are killed when they reach the dragon planet. they are mentioned in "the road to elderoado" and "origin of the regn of fire", which cronicle the struggle of the cocg to liberate their home country, Tyrus, from the creatures.