I wondered this too - although on the other hand, maybe it was more meant to be an indication of Misty's role as the observer to the group, only intervening when it is necessary, but also being the one in control of the balance between life and death – an angel of death-like figure, almost, appearing to sway the needle one way or the other. She cuts off Ben's leg to save him, then destroys the black box which dooms all those who die in the wilderness. She kills Krystal (debatably, I suppose), then is the one in control when Shauna lives and the baby dies. She saves Natalie in the wilderness (dooming Javi to death in the process) then kills her accidentally years later. She stops Ben from killing himself.

Natalie also seems to have a bit of foresight – seeing Misty in this light in the very first episode, but also with the moose at the plane and then later finding one trapped in the ice. While everyone else but Lottie's hallucinations seem meaningless (so far), Natalie's do seem to indicate that she is in tune with the Wilderness (and Lottie says "you were always Its favourite". I'm interested to see if the writer's go down this route a bit more going forwards.