The problem with the single target skills strats is that it only works when either all your units do lots of dmg or there aren't many targets in the 1st place. If you deal dmg using bar then it would deal around 17-18k when sorta laggy for me and you deal bout 16-18k from aoes. You have 3 units to do aoes on. It comes down to whether you are unlucky enuff to not get your aoes even when you manipulate the ignis which then you will get 1.4x multiplier which still isn't bad. Choose your opponents wisely too. If there's a Kotori try to avoid her as much as possible cause Kotori's generally have lots of hp. Ideally their hps should be 30k zone. If you want I can post a video demonstrating how this works. You just simply need 4k attk on all your characters which can be obtained using 4 stars
That moment when you forgot to look at the skills and that shizuru pulled off a 20% insta death on TWO of your character and one JUST HAD to be Kotori. Welp guess I lost a run.
RIP: I got so tilted by the 4% chance troll (20% insta death on 2 people) that I forgot to charge my bar. Welp guess that's a 1.4x run.