Sith Sentinel Droid 17 

Rarity: Common
Base: Medium
Gender: It

Special Abilities

• Droid (Immune to critical hits; not subject to commander effects)
• Crack Shot (Whenever this character combines fire against a target within 6 squares, damage from the attack cannot be prevented or redirected)
• Energy Shield Projector (Usable immediately when this character or an adjacent ally is hit by a nonmelee attack; this character reduces the damage to 10 with a save of 11 and adjacent allies automatically fail saves that prevent or reduce damage for the rest of this turn or until this character is defeated)
• Poison Gas 20 (Replaces attacks: Enemies within 3 squares take 20 damage; save 11)

Equipped with energy shields, the Sentinel-series were deployed as both combat droids and bodyguards.