What happenes when an evolving race without a leader gains one leader?

The shadows are a strange thing

Stands in equestra

A traveler from an ancient hybrid race comes to ponyville.

When a old darkness is brought into the light a new power is born

They were born in tartarus to a killer deamed to dangerous for any other dungeon and a demon that terrorized Equestria when it was still young

False Deck was just a you average card playing assassin pegasus of the Black Ravens, killing contracts without fail until some changlings made him an offer

Terragrand fells is a draagon of unmatch power that eat the souls of the strong and experiments with the weak creating the Kirin out of impulse but what happenes when the creations turn on the creator