* HilariousInHindsight: Twilight being groomed to be a successor for the princesses rings pretty closely to the ending of the third season of the series, [[spoiler: where she does get crowned a princess of Equestria and becomes an Alicorn]]. Too bad Raefire wasn't around to see this happen.
* MoralEventHorizon: Discord apparently crossed it in the backstory, when he killed Celestia and Luna's parents -- he {{Mind Rape}}d them so far past the DespairEventHorizon that they simply lost the will to live and wasted away.
* TheWoobie: Several:
** Birostris Oswaft - being TheLastOfHisKind for ''ten thousand years'' definitely left a mark on him, so much so that he asks Twilight to [[MercyKill kill him and put him out of his misery]].