Talk:Twilight Sparkle/@comment-6411076-20171017200138/@comment-33425320-20180324080406

Cadance, Twilight and Flurry Heart aren't immortal. And Cadance isn't actually Celestia's niece. Celestia took Cadance under her wing as a surrogate niece, kind of like Rainbow Dash did with Scootaloo as her little sister.