Black Knight Xenon

100% boost to Atk, Def, 80% boost to max HP of Light, Dark types, greatly boosts BB Atk, damage taken hugely boosts BB gauge & 10% damage reduction from Light, Dark types

15% damage reduction from Light, Dark types when Damage Reducing Sphere is equipped & 15% boost to all parameters of Light, Dark types for all allies

BB

Soul Severance

1 DC25

19 combo powerful Dark attack on all foes, activates Taunt and considerably boosts own Def for 1 turn, hugely boosts Atk, Def, Rec for 3 turns, enormously boosts critical hit rate for 3 turns, 50% damage reduction for 2 turns & boosts damage reduction when guarding for 3 turns

SBB

Crushing Despair

1 DC27

23 combo powerful Dark attack on all foes (damage relative to remaining HP), hugely boosts Atk, Def, Rec for 3 turns, enormously boosts critical hit rate for 3 turns, 50% damage reduction for 2 turns, 15% additional damage reduction for 2 turns & slightly boosts OD gauge

UBB

Massive Shadow Strike

1 DC30

27 combo massive Dark attack on all foes (damage relative to remaining HP), enormously boosts Atk, Def, Rec for 3 turns, 100% damage reduction for 3 turns, negates critical and elemental damage for 5 turns & enormously boosts OD gauge