Every Immortal Creature in Mythology Explained in 21 Minutes

The phoenix is one of the oldest immortal creatures in recorded mythology, appearing independently across at least three ancient civilizations, which tells you something about how badly humans have always wanted to believe that death isn't the end. The Greek tradition puts its lifespan at around 500 years, after which the bird constructs a nest of aromatic wood, cinnamon and myrrh according to the historian Herodotus, and sets itself on fire.