A hive of abersyn symbiotes were controlled by the Queen of Ktath'atn on the planet Ktath'atn for many standard years. In the year 0 ABY, a Alliance to Restore the Republic team invaded the Queen of Ktath'atn's parasitic hive, during which it came briefly under the control of Jedi Padawan Luke Skywalker, and the smuggler Han Solo, who briefly called the queen's hive, the Kingdom of Han after himself.
- The Screaming Citadel, Part I (First appearance)
- Star Wars 31: The Screaming Citadel, Part II
- Doctor Aphra 7: The Screaming Citadel, Part III
- Star Wars 32: The Screaming Citadel, Part IV
- Doctor Aphra 8: The Screaming Citadel, Part V
- Star Wars 33: Rebels in the Wild (Mentioned only; in the opening crawl)