Not a common trait of an Elemental. In fact it is one that has never been heard of before amoung Elementals.
Healing has a warm fuzzy glow feeling to it. It’s got a euphoric high to the healing process, being able to self- heal however is extremely dangerous and can lead to destructive tendencies in which the bearer of this power may abuse the body to total destruction just to rebuild it again for that intense healing high.
It is suspected that a blood oath may trigger the onset of such extraordinary abilities.