The Rubies and The Gravels

The Gravel pack and the Ruby pack are long enemies. But for some time there had seemed to be peace, until the wisest of them all, Wisp, witnesses the Ruby's alpha again. She was filled with rage, and started argue that she hated him and never wanted another glimpse of his bronze pelt again. But when he asks her why she hates him, it was a question she couldn't answer...