Nightheart is a sleek, black she-cat with one white paw, a white spot on her shoulder, and green eyes.
In the Dawn of the Clans arc
- Nightheart, along with Leaf, are mentioned once as Petal thinks about them. Petal remembers how they had jumped on a black tom who had been stalking a squirrel in the forest. The tom's friends had come to back him up in the fight, and Petal had no choice but to aid Nightheart and Leaf.
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