Lightningfang is a gray tom with a white undershade, a lightning bolt by his flank and deep blue eyes.
- Lightningpaw is an apprentice of SkyClan.
- He meets Wavepaw and falls inlove with her, they promise to meet every night at the island.
- When Wavepaw disappears, he gets very worried. He soon starts to show a liking torwards Faithpaw.
- Beofre he becomes a warrior, a white she-cat with black spots appears. He reconizes Wavepaw and they nuzzle eachother and have fun. He asks her why he hasn't seen her on the The Island for moons. Wavepaw replies that she had gotton murdered. Lightningpaw is furious and he demands to know who. Wavepaw replies a golden tom named Leopard. Lightningpaw then vows that he will not stop until he kills Leopard, on revenge of his love's death. They go out and find Leopard.
- When they find Leopard, he is already severly wounded and hurt. He had a long gash along his throat that was just healing. Lightningpaw reopens his throat-wound and Leopard dies. Wavepaw runs over to him and nuzzled him in thanks.
- He later earns his warrior name, Lightningfang, by Moonstar.