The will to help her friends and those around her and the power to do so. Bad luck always seems to find those who need it the least, doesn't it? As does darkness, but darkness can be tamed, or can it? Can you tame your own darkness?
In order to escape one of Starlight Glimmer's alternate timelines, Twilight must find a way to convince this timeline's Applejack to let her go home. However, this version of Applejack isn't keen to let go of the last thing that matters to her...