There's a theory you might be aware of, in which, just as a person reaches the gaping crevice between life and death - of which the latter is certain - they are presented with seven seconds. Within those seven seconds lies their entire life story, which, at the flick of a switch, is projected throughout their mind, showing them all that they have achieved, before smothering them in the inevitable darkness which is death.
Evelyn is 15, the most powerful mutant the world has ever seen, and is terrified.
Can Charles and Erik save her from her inevitable darkness? Or is she simply too broken to fix? Only time will tell.