mane cast. In "The Cutie Mark Chronicles," the Sonic Rainboom is actually a nuclear device, destroying Ponyville when it detonated. She barely escaped its effects and went back to her home base, but the guilt of killing a town filled with innocents, including ponies she was developing friendships with, was too much.. The bombing run on Ponyville turned out to be her last, and she left the evil entity's Air Force. But that didn't ease her consience, and she started to lose her grip on reality. At some point, to reconcile what she did internally, she retconned the bombing as the Sonic Rainboom, and instead of destroying the town, it spread light and joy and Cutie Marks to the group of ponies she would call her best friends.Everything that happened since has been a figment of her imagination. Occasionally, though, the truth of her actions pokes through her subconscious -- witness the second Sonic Rainboom actually looking like a mushroom, or Pinkie Pie's ostensible non sequitir "And that's how Equestria was made!". Cloud Cuckoolander has a point.* And that dying victim is none other than [[spoiler: [[WesternAnimation/YinYangYo Yin]] herself]]! Right before/after seeing her thirteen birthday, a war broke out where her family and friends had lived were driven off by a CorruptCorporateExecutive selling weapons to both sides of the conflict and despite fighting to keep their homes, she was captured and gang-raped relentlessly by her tormentors even though she had gotten pregnant a few times and survived abortions made against her will. RainbowMane was her