Demon Sunset

Demon Sunset is a "character" from My Little Pony: Equestria Girls that appears in Knights of the Multiverse Season 2. She was a form that Sunset Shimmer took on during her darker period in life, but was quickly done away with by her Earth's heroes. She reappeared in Season 2 as a number of nightmares created by Doctor Destiny to torment the Crystal Knights.

Personality
Reflecting Sunset's old mindset, the Demonic Sunset is ruthless, vicious, sadistic, violent, and power-hungry. She's also very prideful and overconfident, as she frequently insults and belittles others, especially her "counterpart".

Powers

 * Flight
 * Magical Energy Blasts

The Demon Sunset is able fire blasts of magic from her hands.