I feel like I'm missing something huge, at the start of Shadowbringers

[Brightamethyst]

It also puts us in a very unsatisfying position, thinking about the future, because again, all we've been shown to this point were Ascian methods. Like I have to say, "Sorry, I have to let Ultima go off and kill all these people, or the world will die because I'm too good at being heroic."

The Ascians have been trying to explain it to us for years but we just scoffed and called them crazy until we saw it for ourselves. Waaaaaaaaaaaaay back in 2.0 Lahabrea straight up told us a lot of these things during his monologue in the Praetorium. We just didn't believe him or understand the implications until years later.