The Demifiend (SMT V: Vengeance, Godborn Hard Mode, Heavenly Ikuyumi Volley)

Hopefully his antenna doesn't fall off.

Anyways this is a showcase of how to get maximum press turns to this fight. And one of the possible ways to utilize all of it. At this point this is just done for the sake of it, really. And yes, 8 press turns is the hard limit. And there doesn't seem to be a method to get the last one to be a full press turn, sadly.

This does have RNG involved. One needs to get Debilitate at least once from Cerberus/Cu Chulainn/Girimekhala in order for Baal's innate passive to proc. And Nahobeeho saving up some Magatsuhi as well. But other than that, it should be easily replicable. Just have to use Mastema and make him hit himself with a fire move, Nuwa taunting to guarantee her innate passive proccing, switch in Yoshitsune to waste turns, and managing the Magatsuhi gauge to get a three turn kill (Although if the three did not use Debilitate at all, one can simply try again). This definitely requires DLC because of Dana's Wisdom, making the volley possible in the first place. Although I do find it hilarious that this move seems to be underutilized overall.

I used Heavenly Ikuyumi instead of Murakumo due to the former being weaker than the latter in this particular instance. My stats are a tad too much and this is the lowest I managed to get it with my current save. Even still, the results speak for itself. This is quite possibly the funniest method to beat this boss.