I know its been posted a while ago but, It looks a lot like f2p since theres a download link and game star button.
http://tera.hangame.com/
If you can read korean.. go play. Its a really cool non-aim (I think thats what its called?) MMO o: Love those so much~
http://tera.hangame.com/download/download.nhn
I wanna dl it so badly but I don't think it'll be compatible with things and I can't read korean and I dunno how to register because I can't read korean T__T;;....