Originally Posted by IvanLedah21

All true and to that bolded part:
My full level 70 Rainbow team doesn't one-round the 14-5 boss despite having Anemone skill + ampy-maxed and Bride Orchid around 20% of ampy-maxing (others are Ionocidium, Dianthus and Alpinia). So yeah, you aren't one-rounding bosses in later maps

Try Cymbidium + 4 rainbow. My squad of Cymbidium, Daisy, Black Rebecca, Anemone and Red Ranger 1 round the 12-5 boss every time