Check the latest information for Set 6: Gizmos & Gadgets
At the start of combat, the Imperial who dealt the most damage last combat becomes the Tyrant. The Tyrant deals bonus damage. When the Tyrant dies, the Imperial who has dealt the most damage this combat becomes the new Tyrant.
3 The Tyrant deals 75% bonus damage
5 The Tyrant deals 125% bonus damage and the other Imperials deal 75% bonus damage