Yellowpaw is eventually renamed Yellowfang, and she completes her training and becomes a warrior. Sagewhisker, the ShadowClan medicine cat, convinces Yellowfang that her ability to feel other cats' pain would make her a very good medicine cat. At first, Yellowfang wants to stay as a warrior instead, but later she changes her mind. Yellowfang becomes Sagewhisker's apprentice and takes the medicine cat's vows. In this book, being a medicine cat means never having a mate or kittens. But Yellowfang stays with Raggedpelt in secret, against the rules.