>>530014475
You might be right that it represents the weird route... who knows
>that the alternative is arguably better.
Ralsei says in an easily missable dialogue option towards the end of chapter 4's weird route that he's getting the feeling that something worse than the prophecy might happen

so there's probably some kind of inbetwee- oh. Oh, we actually probably already know what the prophecy is then, if that's the case. It's the sacrifices. Undyne, Toriel... Others? The sacrifices are to save the world.