Elizabeth
Fire 
Front row 
KnightGrit
Effect 1: Apply Buff
Activation Condition: Activates when the Current HP is at 90% or less.
Target: Self
Defense +50%.
Effect 2: Apply Buff
Activation Condition: Activates when the Current HP is at 90% or less.
Target: Self
Damage Reduction +10%.
Effect 3: Apply Buff
Activation Condition: Activates when the Current HP is at 90% or less.
Target: Self
Critical Hit Resistance +10%.
Red Dragon's Blessing
Effect 1: Apply Buff
Target: Self
HP +88%.
Effect 2: Apply Buff
Target: Self
Defense +88%.
Upper Slash
Inflict damage equal to 468% of Attack.
Target: All Enemies in Front
Effect: Apply Buff
Target: Self
Status Effect Resistance +30%.
Earthquake Sword
Inflict damage equal to 704% of Attack.
Target: All Enemies
Effect 1: Stunned
Stunned: Cannot take any actions.
Effect 2: Shield
Target: Self
Shield: Create a shield that blocks damage equal to 150% of Max HP.
Character sizes
Recommended stats
About Ignore Damage Reduction %
This stat only works if the boss has passive skills giving him damage reduction. If not, it's useless.
Avalon, Reincarnation of Stars and Raids usually all have this passive, but always double check to make sure.