After Adel is questioned by Elore by which route he will seek, Adel may choose between 3 routes:
Holy Route, Dark Route or Egg Route.
The last successors of the Altermenos empire are:
Holy Route:Lazareth(Big Sword) and Iris(Epee).
Dark Route:Ivan(Epee) and Olga(Hammer)
Egg Route:Finith(Spears).
In the end, the emperor/empress, fights Vadagara in some way.
Holy:Vadagara himself.
Dark:Corrupted Nemea
Egg:Via The Egg.
Both Holy and Dark successors refer Adel as a father.