The latest class archetype has been revealed on the Camelot Unchained site, the Healers. Healers, as with all classes in CU, come in three forms: Empath (Tuatha De Danann), Stonehealer (Viking) and Physician (Arthurian).
Stonehealers, for example:
Only in the land of the Vikings would anyone throw rocks at people in order to heal them. While it is unfair that some claim Stonehealers are men and women who have fallen on their heads too often, it is true that being a Stonehealer does come with certain unique risks to the healers themselves. They are certainly among the most stubborn, thick-skulled defenders of the Realm!
You can find out a bit more, including background and samples of both bane and boon, on the Camelot Unchained site.