Battle near the Kaliida Nebula / Legends A battle took place near the Kaliida Nebula in 22 BBY during the Clone Wars . Senior Jedi General Luminara Unduli engaged Confederate reinforcements that had been dispatched to aid the Confederate warship " Malevolence " , which had suffered damage after a Galactic Republic assault nearby the nebula . Unduli and her fleet were able to successfully dispatch her opponents . Prelude . In 22 BBY , the first year of the Clone Wars , Jedi General Anakin Skywalker of the Galactic Republic planned an assault on the Confederate " Subjugator " - class heavy cruiser " Malevolence " with the Republic Navy unit known as Shadow Squadron . Meanwhile , the Confederate Head of State Count Dooku ordered General Grievous — the commander of the " Malevolence " — to target the Republic ' s secret Outer Rim medical center , which was located near the Kaliida Nebula and was treating over 60 , 000 wounded Republic clone troopers . Skywalker and Shadow Squadron were able to intercept the warship before it could destroy the medical base . Damage to the " Malevolence " massive ion pulse cannon s caused them to explode , inflicting further damage to the warship . Several Republic " Venator " - class Star Destroyers arrived under the command of High Jedi General Obi - Wan Kenobi and Admiral Wullf Yularen , and the cruisers initiated an assault on the " Malevolence " . Unable to retreat to hyperspace because of damage to the warship ' s hyperdrive , Grievous was forced to call in reinforcements . The battle . A Confederate fleet was dispatched to aid the fleeing " Malevolence " and prevent the warship ' s destruction at the hands of the Republic Navy forces . However , Senior Jedi General Luminara Unduli intercepted the Confederate armada with a fleet of her own and engaged the enemy fleet in battle . Skywalker contacted Unduli , seeking reinforcements for the continued attack on the " Malevolence " . Unduli informed Skywalker of her situation , but despite her inability to provide immediate assistance to comrade , she still planned to help his forces once she had dispatched her opponents . Unduli was later able to defeat the Confederate reinforcements . Aftermath . During the course of the Republic ' s attack on the " Malevolence " , Senator Padmé Amidala was tricked into traveling to the battlefield . Upon her arrival , she was pulled aboard the " Malevolence " , as Grievous intended to use her as a hostage to guarantee his and the warship ' s escape . Skywalker and Kenobi boarded the " Malevolence " to rescue Amidala , while Jedi General Plo Koon and Commander Ahsoka Tano — who had accompanied Skywalker and Shadow Squadron to the nebula — contacted Unduli via holotransmission for support against the " Malevolence " . Once Amidala had been rescued , Koon ' s fleet would need reinforcements to destroy the Confederate warship . Unduli promised her support , heading over to the nearby Republic armada . Skywalker was able to sabotage the warship ' s navicomputer , and he escaped the warship with Kenobi and Amidala . Before Unduli arrived with her reinforcements , the " Malevolence " attempted to jump to hyperspace , and Skywalker ' s sabotage caused the warship to crash into a nearby moon . Behind the scenes . The battle near the Kaliida Nebula was first mentioned in " Destroy " Malevolence " , " an episode in the 2008 of the . The battle featured the introduction of Jedi Master Luminara Unduli , although she only appeared in a hologram during the episode . The battle only received a brief mention in dialogue , not appearing in the episode itself .