As a build-up to the inevitable Battle of Bomis Koori IV, Separatist GeneralOro Dassyne piled on a gigantic amount of defensive guns on the fortress world, expecting a substantial Jedi attack. When the attack came, it was slightly different from what Dassyne had expected, and, as a result of Jedi sabotage, the ray shield covering the fortifications came down, opening up the planet to extensive starfighter strikes and orbital bombardment.