Sometime after Saleucami, Kix joined Rex and the 501st Legion on the planet Umbara, where he served as a medic during a battle there. During the initial assault on the native Umbarans, Kix and the team served under the command of Jedi GeneralAnakin Skywalker. Skywalker, however, was relieved of his duties after General Pong Krell arrived, who assumed command of Kix and the 501st Legion on Umbara.
"Wait a minute, those critters are domesticated." "Sir?" "I think we're on farmland, and where there is a farm, there is usually a farmer. Let's find his homestead."
After mounting separate BARC speeders, Kix's team drove through the wetlands of the planet's surface. Ahead of them, two commando droids were stationed on top of a hill overlooking the clones. Utilizing a blastersniper rifle, one of the droids shot Rex, knocking the clone Captain off his speeder. Jesse ordered Kix and Hardcase to turn their BARCs around and protect the Captain, while he drove toward the hill from where the shot had been fired. Jesse destroyed the droids while Kix examined Rex's injury, and Kix informed Jesse that Rex's injury was severe. Jesse told Kix and Hardcase that the two droid commandos might have called for backup, and they needed to find shelter for Rex.[2] After noticing domesticated eopies,[5] Jesse concluded that they were on farmland, which meant there was a homestead nearby. Kix attached a flatbed on a side of his BARC speeder and laid Rex on top of it before the team drove off to find the farmer's homestead.[2]
Upon arriving at the nearby homestead, a femaleTwi'lek, Suu, greeted the clones warily, pointing a rifle at the intruders. Kix and Jesse informed her that they were friends and they needed a place to settle the injured Rex for the night, and Suu gave the clones permission to use the barn. After Kix placed a bacta patch on Rex's wound, he regained consciousness, and Jesse and the other troopers informed him of what had occurred. Before Kix and the team left to continue their search for the escape pods, Rex gave Jesse the responsibility of leading the search party. After the clones boarded their BARC speeders, Kenobi contacted the group via comlink and called for Rex. Jesse responded and informed the Jedi Master that Rex had been injured, and that the Captain had given him the duty of leading the search for the escape pods. Kenobi told Jesse that Grievous was heading for an abandoned escape pod, and ordered the troopers to drive westward, trapping Grievous between the two squads.[2]
Kix (center) and the clones, inside a barn
Soon, Jesse contacted Kenobi and informed the Jedi that Kix and the clone troopers had a visual of the escape pod. Grievous was the first to arrive at the escape pod, and Kenobi had already engaged Grievous' forces by the time Jesse's team arrived on their BARC speeders. As Kix, Hardcase, and Jesse fired their speeder's blaster cannons at Grievous' battle droids, Jesse spotted an approaching Confederate shuttle in the sky and warned Kenobi via comlink. After a clone trooper onboard an AT-TEwalker told Kenobi that the walker's guns were overheated, Kenobi ordered Cody and Jesse to cover him as he raced toward Grievous. Kenobi and Grievous engaged in a lightsaber duel as the Confederate shuttle approached them, eventually coming to a hovering stop above the escape pod; Grievous fired his tow cable on the hull of the shuttle and fled in the vehicle. While Kix remained with Hardcase, Jesse and Cody—aboard their speeders—returned to Kenobi after dispatching the remaining battle droids. The Jedi Master told both clone troopers to contact the fleet and order them to send a transport to pick them all up.[2]
The clone troopers are hard-pressed in holding their current position under the relentless Umbaran attacks from the ground and the air, and are unable to break through to support Obi-Wan Kenobi. Kenobi asked General Krell to assault a nearby airbase which is being used as a supply staging area for the capital's defenses. The battalion regroups and proceeds towards the airbase. Citing the urgency of Kenobi’s current situation, Krell discards Rex’s suggestion to scout for a secure route, ordering the troops to advance along a central gorge, despite Rex's protest that the narrow route will only allow advances by single squads. During the attack on the Umbaran airbase, Kix made an effort to take care of the injured and complained that Krell's plan would result in too many clone casualties. Rex, insisted that he could aid the wounded later. When hearing this, Kix told Rex he sounded just like General Krell.
When Advanced Recon CommandoCT-27-5555 "Fives" and clone trooper CT-5597 "Jeese" betrayed General Krell's order; to not destroyed the Confederacy of Independent Systems supply ship, Kix was one of the troopers that was preparing to execute Fives and Jesse. Like the other clone troopers, he purposely missed them and assisted in the apprehension of Dogma. Also took part in the capturing of Jedi GeneralPong Krell.
Personality and traits
"How bad?" "Pretty bad. I need to remove his armor to see the full extent of the damage."
As a trained clone trooper medic, Kix believed that when it came to the health of his comrades, he outranked them. Instead of worrying about his enemies, Kix cared more about the lives of his fellow troopers.[3] During the Battle of Saleucami, Kix respected Rex when the clone told him of how he had been injured after being shot by a commando droid's sniper rifle. He took great concern for Rex's health, and advised Jesse and Hardcase that in order to see the full extent of Rex's injury, he had to remove pieces of Rex's armor. After Rex handed the leading position to Jesse, Kix cooperated with Jesse's orders that were given to himself and Hardcase.[2]
As a field medic, Kix was equipped with medpacs, as well as other first-aid commodities, to help fellow injured clone troopers during a battle. The clone trooper also carried a blaster rifle.[3] On the right side of his head, Kix had a tattoo that read, "A GOOD DROID IS A DEAD ONE," in Aurebesh.[5] His clone armor sported light blue markings.[2]