Just get all blessings related to Break DMG, mostly Path of Destruction and Nihility. Throw in a few Abundance and Preservation blessings for survivability and V6 is gonna be a piece of cake! #honkaistarrail #firefly
Fast is better, more turns to manage plus longer uptime inside ult, its better to get 4 turns 1 cycle one to regen skill then only 3 without skill regen