Dragon Nest is an action/RPG MMO. They have servers in many countries so that people can play a localized version with people who are geographically close. Dragon Nest features a 3rd person over the shoulder view, real time combat with combos and non targeted attacks.
There are five main classes, each of which can specialize further. The game features skill based pvp with the intent that lower skilled higher level characters will lose to higher skilled low level characters.
The game itself is free to play with certain items available for purchase with real money.