Dragon Demon Barion

50% boost to Atk, max HP, boosts Atk, Def when HP is over 50%, hugely boosts critical damage & enormously boosts BB Atk

10% boost to all parameters of Fire types, boosts Atk when BB gauge is over 50% & 30% boost to Spark damage

BB

Dragonfire

1 DC23

10 combo powerful Fire attack on all foes, hugely boosts Atk for 3 turns, hugely boosts BB Atk for 3 turns, hugely boosts BB gauge for 3 turns & boosts Atk, Def of Fire types for 3 turns

SBB

Sovereign's Flames

1 DC31

30 combo powerful Fire attack on all foes, hugely boosts Atk for 3 turns, hugely boosts BB Atk for 3 turns, boosts Atk relative to max HP for 3 turns, boosts OD gauge fill rate at turn's end for 3 turns & boosts Atk, Def of Fire types for 3 turns

UBB

Violet Radiance

1 DC30

20 combo massive Fire attack on all foes (damage relative to remaining HP), enormously boosts Atk for 3 turns, hugely boosts Atk relative to max HP for 3 turns, enormously boosts critical hit rate and critical damage for 3 turns & adds Fire, Water, Earth, Thunder elements to attack for 3 turns