Ahhhh man, an interesting, intimidating take on Twilight here! Could see this as an alternate universe interpretation of her where she and the rest of the Mane Six represent different facets of what leads to insanity, with perhaps Fluttershy being the Element of Paranoia, Pinkie Pie being the Element of Psychosis, and so on, with Twilight here just the Element of Insanity! O.O

Hehe, my knowledge of English still doesn't fully understand this alternative concept, but I still like it)