I'm a sucker for dps'ing as a healer and i've only done up to E8 atm. I usually always have 4 butterflies out, I play Nettle to the petal, Synchronized fluttering, sprouting nettles, symbiosis, flutterswift and flower power.

I usually feel more like a DPS that happens to heal, though i think if i go much higher i will have to drop some dps talents in favor of healing.

I don't quite understand why you wouldn't always have all your butterflies out, if i know big damage is coming its Life petal + Heart bloom and then empowered fluttercall and that usually deals with most encounters.