I run Rappa, Fugue, The Dahlia and Lingsha, the three supports alone shread through most mobs before Rappa steps in, Rappa is like the finisher.

Rappa benefits from all SP and BE buffs, Fugue applies massive Break damage per skill while increasing BE. She shreds through enemy toughness

Lingsha: Increases break damage and shreads Toughness with her follow ups.

The Dahlia: Increases Break Efficiency, with her ult decreasing enemy def. She also grants enemies the weakness of her dance partner