Ah, so that's how the author decided to go about it. I wondered many times throughout this arc how he was planning to return to Snow, but it seems they took the simplest, most generic approach. Just kill off things preventing him from doing so.
I'm not sure why people are saying vamp mommy is dead. The husband literally surrendered to get her treated. But this is some real jank to get us from point A to B, in some ways this is interesting but we already know MC needs silver to win. So the question becomes will he secretly have silver or will someone come save his ass.
Also they are way too obvious Gigi is being forced to do this. Feels like how they are forcing him won't feel like he'd do this level of betrayal to achieve.