Hello, before I share a personal concept of mine of what 'Azem' may have done on the 'Final Days' I wish to just preface that what I say is but a concept of what could have occurred. I doubt the team will ever reveal what ever occurred, which may be for the best as the 'Azem' has been referenced as us. I believe the below concept would fit well with the precedents of FFXIV- considering there are soul crystals aka the job crystals.

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A Perspective:

'Player Character' is the reincarnate core soul of who was once 'Azem' within the world of Etheirys. A person by the name of 'Placeholder' they were once- the Azem who was a true diplomat and traveler who journeyed with the purpose of enriching lives of others with whatever value they held, whether that be wealth, knowledge, power, or merely just comfort.

In their final days, they were to listen to the lives of ancients who were fated to be sundered- and joined hands with them to realize a plan for the eras to come. Azem and those who wished to forge a valiant strong soul joined energies- creating the fated reincarnates of the 'hero' who was to be born countless times over from the sundered shards of 'Azem'.

Each new reincarnate reflecting a unique joined soul that was to be born from a shard of 'Azem' until the birth of the core soul was to be born, the original 'Azem'. In the stead of past heroes and reflections- the new core hero was to not only reflect the core soul, but the unique souls he joined with during the final days.