Tyrfing

80% boost to Atk, boosts critical hit rate & damage taken and critical damage considerably boosts BB gauge

Adds slight critical hit damage boost for 3 turns effect to BB/SBB

BB

Sword Dance of Conviction

1 DC20

17 combo Light attack on all foes, probable Curse effect, hugely boosts BB gauge & hugely boosts critical hit rate for 3 turns

SBB

Shock to Kill

1 DC10

20 combo powerful Light attack on all foes, enormously boosts BB gauge, adds Light, Dark elements to attack for 3 turns & damage taken boosts BB gauge for 3 turns

UBB

Phantom of the Brave

1 DC20

22 combo massive Light attack on all foes, enormous 2 turn Atk reduction, fills BB gauge to max & enormously boosts BB gauge for 3 turns