Rain

30% boost to Def and max HP, negates all status ailments & considerably boosts BB Atk

Slightly boosts Def relative to remaining HP, slightly boosts BC efficacy & damage taken may slightly restore HP

BB

Blazing Storm

1 DC20

14 combo Fire attack on all foes, probable huge 1 turn Def reduction, considerably boosts Atk for 3 turns & considerably boosts BB Atk for 3 turns

SBB

Lava Floor

1 DC24

17 combo powerful Fire, Earth attack on all foes, probable huge 1 turn Atk, Def reduction & considerably boosts BB Atk for 3 turns

UBB

Shining Nova

1 DC25

21 combo massive Fire attack on all foes, enormous 1 turn Atk, Def reduction, enormous boost to Atk, Def, Rec for 3 turns & hugely boosts BB Atk for 3 turns