Healing is one of the three disciplines in The Black Magician Trilogy, specifically known only by Guild Magicians in the Allied Lands. The healing discipline is denoted by green robes. Healing is more than curing wounds, novices also learn about medicine and the body.
Healing is said to be the most complex of the three disciplines, as it takes a vast knowledge of biology to tap into this power, however all novices are given a basic understanding of how to do it, enough that they can heal most of their own ailments e.g. sores, illnesses and muscular pain. Healing is gradual, and can only take place via skin-to-skin contact, and usually with the agreement of the person being healed as their natural magical protection can act as a barrier.
Healing can also be used by Magician on themselves, this continuous healing allows magicians to have a much longer lifespan than those without magic.
|Spoilers from "The Novice"|
In The Novice it is revealed by Lord Dannyl that he has been using his magic and knowledge of healing to suppress his feeling of sexual desire for men. However doing so comes at the price of him having no libido or sexual feeling at all, showing that no-one can truly control their desires, or heal what isn't broken.
|Spoilers from "The Ambassador's Mission"|
This is also seen in The Ambassador's Mission when Sonea tries to heal a man's addiction to a foreign, highly addictive drug called Roet. While she is able to heal the withdrawal symptoms, she is unable to heal his desire for the drug's relaxing effects, as he still has the memory of what the drug can do and make him feel.
Healers within Sonea's Hospice don't just use magic to cure aliments, as this would be inefficient at the cost of magic, they also support medicine and surgery when it is appropriate to do so.
Healing is also present in the Age of Five Series.