Power to heal by using symbiotic power. Technique of Symbiosis. Variation of Healing. Not to be confused with Healing Symbiosis.
The user can heal themselves or others by using symbiotic power.
June Moone/Enchantress (DC Comics)
Asia Argento (High School DxD)
Josuke Higashikata's Stand, Crazy Diamond (JoJo's Bizarre Adventure Part IV Diamonds are Unbreakable) can repair damage and heal injuries.
Discovering that he could create singular body parts and organs out of inorganic matter, Giorno Giovanna (JoJo's Bizarre Adventure Part V/5: Golden Wind/Vento Aureo)...
...can heal the gruesomes of wounds through various means.
Mara Jade (Star Wars Legends) using Force Heal on an injured Stormtrooper.
Anti-Venom Host (Marvel Comics)