One of the most exciting reveals from Friday's Final Fantasy 14 Digital Fan Festival keynote was the full version of the Endwalker expansion trailer. This trailer contained a number of new story reveals, the return of some fan-favorite characters, and some exciting new features. It also featured a banging theme song. What was that song? What song is playing in the Final Fantasy 14: Endwalker trailer? There's no official title for the song in the Endwalker trailer. It's simply the Endwalker theme. That's not informative at all! However, we do have information about the talent behind the song, as revealed during the Final Fantasy 14 Digital Fan Festival.