Phoenix Phoenix No Mi: Dormant State (normal state)
Logia like healing properties, fire can regenerate lost limbs, organs and vital parts as long as the host's life qi doesn't extinguish.
Fire can actually be used as a weapon
Can transform into phoenix
Color of fire can vary
Fires can change in temperature.
Becoming increasingly skilled with the devil fruit can increase the rate of healing and increase or decrease the fire temperature
While the fire cannot freeze a body if the heat drops enough, it can freeze cells within the body which could effectively kill the opponent
Phoenix Phoenix No Mi: Awakened stage (???)
Will update later. Novel has not yet started so the release dates are currently ineffective.