wewillwewill | Brief Summary of OU Point (Spoilers for patch 5.3 of Final Fantasy XIV Online)

After the events in his final cutscene of patch 5.3 main story. Rather than ending up absorbed into the Crystal Tower he is diverted to the train. Whether this be by Zodiark's intervention, like calling to like, or both is unclear and something he must discover on his own. He is also busy with all the memories recollected from his and his fellow Convocation members' stones. Because it would be hard for him to communicate without one, he retains the services of Ardbert's body for a physical 'base' form.

The TL;DR for those unfamiliar with canon: Millennia old ancient being stuffed into a mortal host body (no mortal soul present here! He totally found this body laying around unused! Ask anyone!) who is undergoing a post-defeat existential crisis. Not that he'll readily admit it. Go go.