In the months following the conclusion of the Clone Wars, Wyler served as a stormtrooper under the command of Commander Cody and was deployed in a squad to the planet of Desix to quash a Separatist holdout. Clone commando Crosshair accompanied the squad in the mission.
Wyler entered Desix City's stronghold alongside clone trooper Nova carrying a flamethrower
Aboard a Nu-class attack/transport shuttle, Wyler and his squad members were briefed by Cody about the situation on Desix. As the shuttle approached Desix City, it was shot down by reprogrammed battle droids defending the Separatist stronghold, and crashed in its outer perimeter. Wyler, along with Cody, Crosshair, and several other clone stormtroopers managed to survive the crash. Those who were fit enough to continue began to advance into the city with the intent of rescuing Governor Grotton, who was being held as a hostage. As the squad entered the stronghold, Cody divided his forces to cover more ground, and took Crosshair, Wyler, and trooper "Nova" with him into the stronghold's north access. As the squad moved deeper into the stronghold, they were ambushed by a droideka. Wyler failed to react in time, and was subsequently killed in a barrage of blaster fire by the Separatist droid.
As a clone stormtrooper, Wyler wore standard-issue Phase II clone trooper armor that was devoid of any markings or color. He was equipped with a BT X-42 heavy flame projector.