Pebblepelt was a bright apprentice, eager to learn. She looked up to her mentor, who was strong and unmovable, as if he were a boulder. It could even be protested that he was the most skilled warrior in the clans. But after a battle with another clan, her mentor was killed in a cowardly way. He had been ambushed by a group of cats in the other clan. Pebblepelt was shocked. It was like watching a wall, you could never climb over, tumble down. Her role model...her mentor...someone she thought was invincible, was killed. She didn't believe it at first. After a day, she was furious at them for killing someone so noble in a cowardly way. Then, she blamed herself, she kept thinking "what if...". Pebblepelt fell into a deep sadness, feeling alone and as if nothing mattered anymore. But her mother, who she was close to, took the time and patience to help Pebblepelt recover. She may be happy now but she has not forgotten her mentor. She grows bitter towards the other clan. After becoming a warrior, she snuck out every half moon, killing a member of the other clan. It was hard, she wasn't the best fighter. But she fought dirty, like the other clan. She snuck deathberries in their prey, slit their throats while they slept, led predators to them, and many more. However, once she was leading a fox to the apprentice of one of the murderers, the fox attacked her while she was hiding and watching for the fox to kill the apprentice. The apprentice watched, confused, as Pebblepelt battled the fox. The fox gouged out her eye, and knocked her into a tree. Pebblepelt, who was running on only adrenaline, dealt a killing blow to the fox out of pure luck. She then looked to the apprentice, (hence last frame of animatic), then died from blood loss. Many years later, the clan talks of her as though she were only a tale told to kits to make them behave.
Audio from Cruella Everything else by me