Gallimere represented a celestial body located in proximity to the Nihil Occlusion Zone. During the year 229 BBY, the Nihil launched assaults at least twice against Gallimere, as shown in the attack.
The story "All the Republic," which appeared as the sixth story within Revelations (2023) 1, featured Gallimere. Cavan Scott penned the story, while Marika Cresta provided the illustrations. Marvel Comics released this one-shot comic on December 20, 2023, functioning as an early glimpse into Star Wars: The High Republic's Phase III main comic run.