Blazblue Central Fiction Grim of Abyss Rainbow Aura Limit Break Build vs Boss Rush Ragna 

Limit Break+Rainbow Aura OD build vs Boss Rush Ragna. Active Flow for constant OD meter regen+10% damage boost. Rainbow Aura for massive stat boost. Limit Break for super saiyan. Burst Booster and Max Overdrive for longer OD and faster OD regen speed.
Enjoy! XD
Skills:
Active Infinite
Rainbow Aura
Limit Break
Burst Booster
Max Overdrive