The most lethal and rapid lightsaber wielder Tarkin has ever seen

Tarkin had witnessed numerous Jedi wield lightsabers during the Clone Wars, but he had never seen anyone put an energy blade to such determined purpose or achieve such rapid and lethal results. Two stormtroopers had died in the exchange, but all the Sugi had paid with their lives; Vader’s blade had even reduced the repurposed battle droids to useless parts.

- Tarkin, Chapter Twelve, Page 220