Ivypool is a silver and white she-cat with blue eyes. She is sister to one of the three cats to hold the stars in their paws, Dovewing and is reasonably jealous and trained in the Dark forest. She found out the truth that indeed it was the place of no Stars and started to report to the three secretly. She then started a rebellion amongst the tricked cats and lead them to the loyalty of their clans, though some cats did not join, such as Breezepelt.
And so on, so fourth . . .