Quote Originally Posted by rance-sama View Post
IIRC, you get a "free" name change if you transfer to another world and your name happens to be taken.
But that's a big IF.
It is not that big of an if, just make another character with said name of the target server either with a 8-character per world subcription (so that you can use your main after transfering) or with a free trial. However, it requires that you do not have any house to lose by transfering...