Optimum Mecha Grybe

15% damage reduction from Water types, hugely boosts damage against Water types & negates critical damage

Reduces damage taken when damage taken has exceeded certain amount for 2 turns

BB

Grand Repulsor

1 DC20

15 combo powerful Thunder attack on all foes & adds 1 turn Atk, Def reduction effect to attack for 3 turns

SBB

Dead End Eraser

1 DC30

18 combo powerful Thunder attack on all foes, fills own BB gauge to max, adds 1 turn Atk, Def reduction effect to attack for 3 turns & boosts Thunder elemental damage

UBB

Invincible

1 DC20

20 combo massive Thunder attack on all foes, enormously reduces Atk for 2 turns & activates Thunder barrier