Hissrich droid army

During the time of the Clone Wars, a substantial force of battle droids was dispatched by the Confederacy of Independent Systems to the Outer Rim planet of Hissrich. This droid contingent comprised multiple regiments and was commanded by the droid mercenary AD-W4. AD-W4 had been employed by General Grievous, the Supreme Commander of the Droid Army, to supervise this mission. The primary objective of this force was to enable its harvesters to collect the plant life on Hissrich, with the intent of utilizing its energy. These droids fought against Jedi Master Mace Windu and his squad.