Stage 28-40 BOSS (Crystal Chamber) Normal Mode | Goddess of Victory: Nikke

Stage 28-40 BOSS is your typical end of chapter boss. It has a set of battle mechanics that it loops through.
Crystal Chamber has a shield that is Electric type gated. So be sure to have a Electric type Nikke on the team, Scarlet is best.
If your team BP is significantly low, you will need a healer to keep the team alive. But in most cases, by the time you reach Crystal Chamber, BP shouldn't be too low.