The trait Stoic in the Defender of the Free tree increases the chance for this skill to apply a damage bubble by up to 100% and at max rank adds an incoming damage reduction for the duration of the bubble.
The trait Warrior's Fortitude in the Defender of the Free tree adds a buff to this skill which increases your Physical Mitigation, Incoming Healing, block and partial block chances.
The Guardian Weapon imbued legacy Warrior's Heart Max Morale increases the max Morale gained by this skill by 34.8%.
The Guardian Belt legacy Warrior's Heart and Fortitude Morale Heal and imbued legacy Warrior's Heart and Fortitude Morale Heal increase the Morale heal by up to 87%.
Equipping 4 pieces of the Renewed Armour of a Guardian's Recollection will increase this skill's heal by 20% and maximum morale by 10%.
This ability increases your Max morale by 10% for 20 seconds, also healing you for that amount.
With both imbued legacies, this becomes a strong self-heal for emergency situations.