The Sith Trooper Armour is a Heavy Armor worn by the Sith Eternal's Sith Troopers, considered the most elite Stormtroopers. It is similar in design to standard First Order Stormtrooper Armor, but is crimson in color and considered the most advanced Stormtrooper armor ever created. The helmet comes equipped with targeting sensors, atmosphere filtration, and accompanying systems to calculate the chance of combat success. It also has greater range of movement thanks to articulated armor plates.

• 1 slot allowing Upgrades of type Armor Enhancement - I, Armor Enhancement - II, or Armor Enhancement - III
• 1 slot allowing Upgrades of type Armor Enhancement - I, Armor Enhancement - II, or Armor Enhancement - III
• 1 slot allowing Upgrades of type Armor Helmet Upgrade - I, Armor Helmet Upgrade - II, or Armor Helmet Upgrade - III
• 1 slot allowing Upgrades of type Enclosed Armor Upgrade - I, Enclosed Armor Upgrade - II, or Enclosed Armor Upgrade - III
• 1 slot allowing Upgrades of type Armor Light Resistance Upgrade - I, Armor Light Resistance Upgrade - II, Armor Light Resistance Upgrade - III, Armor Medium Resistance Upgrade - II, Armor Medium Resistance Upgrade - III, Armor Heavy Resistance Upgrade - I, Armor Heavy Resistance Upgrade - II, Armor Heavy Resistance Upgrade - III, or Armor Medium Resistance Upgrade - I
• 1 slot allowing Aspects of type Armor Cosmetic