Check out Chubblot patch 5 narrator's voice line video, around 39:25, you'll get your answer.
Well, thank you. That evidence is about as strong as evidence gets.
Throm's daughter(apparently). We don't know how the storyline has been updated. It might get changed.
Okay, I'm starting to see some stuff. The reference to Isobel was removed in Patch 4. The patch notes say:
"Updated text of Halsin's Shadowcursed research journal to remove references to killing Isobel."
That does make it complicated. The idea that the storyline itself is being tweaked can't be ruled out, making some of our guesswork even more questionable.