User blog:Burniez/Luther 7* Idea

LS:

Boost 80% to ATK / Boost 50% to ATK when HP is full / Boost 50%BC fill rate / Boost 100% spark damage

Normal attack: 16 hits

BB: 320%

24 fire hit AoE / 80% chance to inflict Weakness and Paralysis / Boost 130% to ATK for 3 turns / Boost 140% damage to enemy with ailments for 3 turns

SBB: 540%

35 fire hit AoE / Boost 90% spark damage for 3 turns / 100% chance to fill 1-2BC on spark for 3 turns / 25% chance to inflict 25% spark vulnerability 2 turns / Boost 140% to ATK for 3 turns

UBB: 1200%

40 fire hit AoE / Boost 130% to spark damage for 3 turns / Boost 250% to ATK for 3 turns / 100% chance to inflict 100% spark vulnerability for 3 turns / 100% chance to fill 5-8BC when spark for 3 turns

ES:

Increase normal hit count +1 / Fill 1-2BC on spark