"disconnected from server"

[Jarty]

both realm lists are not working for me, I just get the long connecting and then disconnected from server.

[Conquestkale]

Is the default realm under Nostalrius Begins?
Is your password over 16 characters?

If yes to either or both you won't be able to login unless you change the default realmname in your WTF>Config folder or make a new acc if pass is over 16 characters