On the willows there, we hung up our lyres

"She was gone for a long time. Leafpool had to give up being a medicine cat for a little while, and Squirrelflight and Bramblestar broke up. Eventually, though, they got back together and had some kits of their own. And Leafpool was reinstated to medicine cat. Hollyleaf came back and died saving the Clans from the Dark Forest's attack."