Pure PvP
Open PvP : Everything easy to get, you get enchant scrolls by winning in the coli events (every 30 minutes) You get ranked for pvping, as many pvps you get, the better stats you have.
Faction PvP : GvE style, everything free till 65, after that you get to choose your specialisation (attacker, defender, moderate) and you get exp with every kill you manage to get ;D