"Cadence’s birth had been a strange one. She was originally a unicorn, and her twin brother was a pegasus. In the womb of their mother though, something terrible had happened. Cadence had absorbed her brother. One fetus absorbing the other was a surprisingly common occurrence, but in Cadence’s case she had kept her brother’s wings, the only tell-tale sign that something was wrong being the purple tinge on their edge, the last remnants of her brother’s coat. When Cadence was born her mother had abandoned her, blaming her for ‘murdering’ her sibling, and so she had found herself adopted by the royal household. "
What you just read is an Excerpt from a Fanfic which i cannot, in good conscience, link to.