- Anyone could become a rifter without it being known other then the person having a breakdown.
- In "Fusion" Phillip's friend Jack gets caught by the rifters because Phillip used Jack's key card. Jack had no idea who the rifters were or the danger he was in.
- Sven, he doesn't even have to be in the same room to kill someone and he is very merciless.
- The ending reveals the apocalypse that Claire, Luna, Phillip and Martin were trying to avoid will still happen since they are now rifters
Nightmare Fuel / Delta State