Alacorns Stories

this is an 110% orignal idea and book! The alacorns and pegasus have been slaughterd by the dark unicorns. Every last one has been murder. But then a pegasus and alacorn gets born. As the news spreads of the new alacorn and pegasi. But the pegasus is birthed by a dark unicorn. Lucky they didnt get murderd but instead they use the pegasus powers to evantually rule over the whole island.