The lightsaber wielded by the Jedi Master Agen Kolar had the particularity of using dual kyber crystals, which allowed the color of the plasma blade to be either green or blue. The second kyber crystal was from his Padawan Tan Yuster's lightsaber, who was killed at the Battle of Geonosis.
- Star Wars: Episode II Attack of the Clones (First appearance)
- Star Wars: The Clone Wars – "Voices" (Vision to Yoda)
- Star Wars: Episode III Revenge of the Sith
- Star Wars Character Encyclopedia: Updated and Expanded
- Star Wars Lightsabers: A Guide to Weapons of the Force