If unit's Def > foe's Def, reduces damage from attacks during combat and from area-of-effect Specials (excluding Røkkr area-of-effect Specials) by percentage=difference between stats × 4 (max 40%), and also if foe initiates combat, unit makes a guaranteed follow-up attack.
This skill can only be equipped by its original unit.
For example, if both Urvan and Deflect Magic 1 activate, the total damage reduction is 86% instead of 110%, since the two skills reduce the damage to (1 − 80%) × (1 − 30%) = 14% of the original.
Wo Dao+.
Triangle Adept.
Urvan and 
Deflect Magic 1 activate, the total damage reduction is 86% instead of 110%, since the two skills reduce the damage to (1 − 80%) × (1 − 30%) = 14% of the original.
Twin Blades and 
Null Follow-Up 3 will disable Blue Lion Rule's guaranteed follow-up attack effect.
