Atraken was a doonium rich planet conquered by the Confederacy of Independent Systems. The Galactic Republic tried to liberate it in 22 BBY and were only successful through a series of strikes called Operation Katabatic nearly a year later. The Separatists engaged in a "poisoned well" policy, releasing a biochemical plague into the planet's water table that killed 90% of the population. The survivors mostly relocated to Trilos, if not to other neighboring worlds. Thrynka Padaunete blamed the disaster on the Jedi.