That ending isn't quite the best for everyone, albeit it tries to be. "People" like Gareth will complain about it.
Scions are elves with special abilities.
They aren't nearly as powerful as mother trees so it doesn't really make sense since mother trees literally have the ability to give birth to dyads who are "invincible in combat" according to the shadow prince and the elf right next to the mother tree confirms this isn't a fiction.
