Metatron is the celestial scribe — the being charged with maintaining the record of creation. He is the narrator and transcriber of The First War, the first volume of the Aethereal Chronicles, and the primary author whose work is shelved in The Divine Library.
His function is not that of a witness — Metatron does not merely observe and report. He is the keeper of the record: the entity through whom the events of creation were translated into a form that could be preserved. What he transcribed in The First War are events that predate language, predate matter, and predate the existence of any observer capable of describing them. That he found a way to describe them at all is the central fact of his existence.
Metatron's voice is the voice of the Aethereal Chronicles. The verse form in which The First War is written is his — a formal choice that acknowledges the impossibility of what he is attempting. Prose would impose a false order on events that existed before order was possible. Metatron's verse holds the paradox, capturing what cannot be fully named in the only form that admits it cannot fully name it.
In several ancient traditions, Metatron is identified as the only created being present at — or capable of recording — the events closest to the divine origin. His use in the Aethereal Chronicles reflects that tradition while placing him in a specific cosmological role: not angel as commonly understood, but scribe as a category of being with its own nature and its own cost.