Rainbow Dash's thousand word flight school essay unintentionally leads a pony who looks up to her down a dark path.

Truly tragic.

Content Notice: (although it should be obvious...) Cheating.

Era: Mostly Pre-Season 1, After the jump-cut to the campfire: Season 7 (Dash joins the Wonderbolts in Season 6).

Image Rights: Discussed here. Image by delapouite with text modifications and the insert of this site's rainbow icon.