At the start of the battle, Jedi allies gain 15% Turn Meter and Protection Up (200%, can't be dispelled), and Jedi Tank allies Taunt for 1 turn. While Jedi allies have Protection Up, they have +150% Tenacity and deal 35% more damage.
Empire and Sith allies have +30% Offense and have a 50% chance to remove 20% Turn Meter when they damage an enemy. This Turn Meter removal can't be Resisted. While Darth Vader is alive, enemies immediately regain Damage Over Time for 2 turns whenever Damage Over Time expires on them.