The classes of Camelot are not mirrored between it's three Realms (factions), that is - each Realm will have 11 unique classes. Speaking of factions, CloakingDonkey's series of videos covers each class (separated in Trios, the way they were revealed) and it's connections to Celtic, Arthurian and Scandinavian lore. Say, here is the first one:
PS The game is in alpha testing and still under the NDA (non disclosure agreement - tests are closed to public, no streams etc.) which should drop as current major graphical overhaul ends and beta tests begin in Q1 2016.
This game has been on my radar for a while, sort of perfect to see some content here on my new favorite youtube channel. DAOC and WHO have had my favorite RVR of all time, so this game has a lot of potential I believe.