All these collabs are like too old for a 21 year old like me :V
DBZ, Saint Seiya, and now this.
I think there was a discussion about izanami earlier in the last thread. I don't know if anyone got the memo here yet, but JP just renewed Izanami descent, aka no more stupid random 1 out of 2 boss.
It's now 6 battles long, you face Light Iza on wave 5, Dark iza on wave 6.
Yes, those who have played this dungeon might have realized... if you get
skill binded for 10 turns on Light Iza, you have to deal with Dark Iza under SKILL BIND and ORB MOVEMENT MINUS 2 SECONDS at the same time. I can tell you it's hell if you didn't resist the skill bind, though Light Iza has Legend's stats on Myth, so she doesn't hit that hard (like 7k per turn) BUT she also has less HP so you're less likely to be able to stall 10 turns on her.
I did a Mythical run (two actually, first one I died on battle 1 :V )

I had to withstand FIVE turns on Dark izanami under skill bind. 8 poison orbs -> 11.8k+jammer orbs -> 17.7k damage -> repeat
It's a very unforgiving attack pattern that I usually ignored by OHKOing her with skills on the first turn...
I managed to came out of it with 3 poison and 4 jammer orbs leftover on my screen Lmao

Dieeeeeeeee *while I gets poison damage lols*
no-stone clear! woot.
but there's no clear stone reward for me since I already gotten it before the renewal and this doesn't count as a new dungeon...

Yes, you can now get both izanami in one run. And yes, that's my first Light Izanami after having gotten 3 darks before this renewal
But I've heard reports that even Mythical doesn't guarantee Light Iza drop. Dark is probably 100% drop though, and she's the more useful sub to skill-max so nice I guess.

Except her mythical is now 100% harder to farm... orz