Originally Posted by well this is frustrating

What is this -70 thing you peeps mention that's supposed to make the 17 whale easy? I am lazy, do admit, to read the 5 pages i've missed cause i was bruteforcing my way till now

Attack debuff. I'm not sure about -70%, I'm doing -45% personally (Lycoris Miko, Snowdrop, Cherry, Kerria, Alpinia) and that seems to do all right.