In Search For The Silver Dragon, Ploom happened upon a group of adventurers lost in the tunnels. After finding them somewhat friendly, the two flumphs ascertained that they were looking for a Silver Dragon, which Ploom transmitted she had seen carved into a door on the far side of the Lake of Acid. They joined the adventurers on their quest, feeding on their psionic energy. She lead them to Bluecap stores, and Queez taught Tobias Villie Broadnose Cogsmith the drow's method of baking the fungi into sporebread.
Disaster awaited, however, when the party got to the Lake of Acid. Atop the head of Marcus Cromwell like a fleshy sombrero, she was targeted by a hungry and angry Cave Fisher who had just missed out on eating Ajuni Elajoral. The cave fisher pulled her from Marcus with its filament into the darkness, then slashed apart Ploom with a single blow and took her remains back to his tunnel to eat. She did not even have time to feel fear before her death.