... That's a bold hypothesis, but I see where you're going. Hold on a tick.

[Alex goes silent, and you instead can hear a lot of pages turning and some pencil scratchings.]

In one Digimon dialect, the stages of life are "Child", "Adult", "Perfect", and "Ultimate"... Gazimon said that "Ultimate" was a stage that didn't always exist. So it was originally the march to perfection with Ultimate being granted as a title to those who surpassed perfection. Ignoring Ultimates, this path is the same as the goal of we alchemists, to achieve perfection. Through the perfection of the soul and body, humans become immortal.

... Oi, Spiky. Our title here is "Chosen Children", right?