Dominance affects Control Effects, Healing and Shield damage prevention.
The recommended Dominance for an Alert, Raid or Operation is needed to affect opponents in that content.
Dominance is added to Restoration for Healing so 4 points of Dominance increase base healing by 1%
Controller, Tank and Iconic Shields prevent damage equal to Dominance + Restoration.
Fire Tanks gain 2.2 points of Health for every point of Dominance after a power is used.
Earth Tanks gain 1 point of Defense for every point of Dominance after a power is used.
Dominance is an important stat for Tanks and Controllers.
Tanks, Controllers and Damage require high amounts of this stat.