TERA or The Exiled Realm of Arborea is a third person Korean MMORPG game which is also a free-to-play title.
TERA is just a typical Korean MMORPG game, with quest, crafting and PVP modes. Combat of the game happens in real-time, with element of dodging the enemy attacks. There are 13 different classes in TERA since the October 2017 patch.
The game has its own currency called Chronoscrolls which lets players to buy various things in the game with real money, but this currency is only available for those who purchased the game either physically or digitally.
The plot of TERA is about two titan beings Arun and Shara who met each other in a formless void where they fell asleep and began to dream. The Exiled Realm of Arborea began to manifest itself as they slept. Now both of their bodies form the two continents from witch the Exiled Realms of Arborea is made of. Everything what happens in the world of TERA is a manifestation of Arun and Shara dreams.