Magma Apex Surt

80% boost to all parameters, enormously boosts BC efficacy, 20% damage reduction for 1 turn when damage taken has exceeded certain amount & enormously boosts BB gauge and boosts damage reduction when guarding

10% boost to all parameters for all allies, 30% boost to all parameters when BB Gauge Sphere is equipped, boosts Atk, Def relative to remaining HP & negates Atk, Def, Rec reduction effects

BB

Lava-Forged Blade

1 DC32

Boosts damage reduction when guarding for 2 turns, enormously boosts BB gauge when guarding for 3 turns, enormously boosts BB gauge for 3 turns, considerably boosts Atk, Def, Rec of Fire types for 3 turns & slightly boosts OD gauge

SBB

Ragnarok Emissary

1 DC28

17 combo powerful Fire attack on all foes (damage relative to remaining HP, enormously boosts own critical hit rate), hugely boosts BC efficacy for 3 turns, hugely boosts Atk relative to Def for 3 turns, considerably boosts Atk, Def, Rec of Fire types for 3 turns & probable huge 1 turn Atk reduction infliction

UBB

Last Stand

1 DC35

22 combo massive Fire attack on all foes (damage relative to remaining HP, enormously boosts own critical hit rate), enormous additional damage reduction for 3 turns, 100% damage reduction for 3 turns, enormously boosts Fire elemental damage for 3 turns & enormously boosts Def relative to Atk for 3 turns