Or she could be referring to someone other than Lightning. Who knows really... especially since she deleted it -_-
Lightning Returns would be someone elses swan song? >.> Well I guess the trend has always been that Lightning is the least important character in the games she's in. --- "And you have proved to be A real human being and a real hero..."
It's how you normally end your horribad fanfic. The hero dies in a glorious, pro-longed and melodramatic scene and everything is brought back nicely to square one. --- "And you have proved to be A real human being and a real hero..."