The End, and Then Comes the Beginning

Missing, extremely new, or very obvious to obtain.

This achievement has no cultural references in the English and Chinese versions. It is likely specific to the game. The Trailblazer and March win as champions of the Aetherium Wars. By the end of everything, you are asked if you could return your Trotter Aether Spirit to its real owner, Asta. Should the player choose to keep the ;li'l guy after winning, then it would be a victory as champions and then beginning a new journey with the Trotter.