The phoenix was a mythical bird of ancient Egypt which reputedly burned every 500 years and rose rejuvenated from its ashes.
Associated with the sun, a phoenix obtains new life by arising from the ashes of its predecessor. Some legends say it dies in a show of flames and combustion, others that it simply dies and decomposes before being born again.
The most startling of the phoenix’s abilities is its ability to regenerate itself. They can heal/regenerate from any and all non-fatal injuries.