Being in Phalanx state applies the following effects:

・Damage to HP and CP will not be taken when in effect
・Nullifies status ailments
・Nullifies special status ailments
・Nullifies debuffs
・Nullifies special debuffs
・Recovers 100 Cost and fills your Unison gauge by 30 when this effect is removed
・Removed after receiving a set amount of damage (300% of max HP excluding buff and field effects)