Only first few girls, like Edelweiss, Hypericum, or Lavender for example, are strong enough to rival gacha girls with all equipments in. Not to mentioned multi-target skill compare to majority of event girls with only one target and no special effect added.
And man, whale ship 10-5 is real! Barely won with a silver line of health remained. I guess it's 5-5 for a while until more powerful team can be made.