- "The test measures an individual's psychological predisposition toward violence and effectiveness at channeling hostility during combat encounters. Perfect scores are exceedingly rare."
The Mekhis Aggression Index was a psychological measurement test, named after Darth Mekhis, that measured an individual's predisposition towards violence and their effectiveness at channeling hostility during combat. The Ewok Treek received a perfect score.
- Star Wars: The Old Republic (First mentioned)