Backstory: Born to LarimarHeart and ApatitePelt, she would normally stay under Sensei Kongo's wing and stayed near him. Kongo gives them the role to work on natural history encyclopedia. Phos, being stubborn, of course denied doing it and struggled to even start it. One day, after a few moons after he promised Cinnabar, her future mate, that he'll get her a new job, broke his back legs and got them replaced. During the beginning of Leafbare, they couldn't be able to sleep, sense every Leafbare, the cats slept until Newleaf. She and Cinnabar had to work with Antarcticite, the IceBreaker. After a few days, while exploring and looking for any Ice Floes, Phosphophyllite walks onto a frozen lake. The ice started breaking under Phosphophyllite. And she fell into the water. Antarc was quick to save Phos, but Phos legs had broken and couldn't work. They soon go to find replacements, but lost Antarc to the Lunarians. Phos took Antarc's spot and Cinnabar continued to work with Phos. After Leafbare ended, Phos finally started working on being a Researcher.
