This looks like good news to me (hope post)
So, there is something in this patch that can give us a hope. When we go to Signora's grave, we can send her hellfire butterfly to her tomb and get achievement "The Last Rose of Winter". Then pyro crystalflies spawn.
So let take a look at it in more details:
Achievement description say "...Perishing like a moth to the flame". Together with achievement name it looks like bad news, but description itself basically say what we did: we send a hellfire butterfly to the fire (Signora).
Then pyro crystalflies spawn in huge amount. Their description says: "A glittering Pyro creature that is the product of rising and condensing elements, and which feeds off the ubiquitous power of Pyro. No matter what state the phlogiston is in, what the source of the flame is, or what degree of warmth it provides, it is all food for the Pyro Crystalfly."
Sending hellfire butterfly to her grave made huge rise of Pyro energy in the area around the grave. If hellfire butterfly just moved, it wouldn't chage anything and spawn Pyro crystalflies, just like butterfly being there didn't spawn them. So something happened in her grave. What exactly? Hellfire butterfly merged again with Signora, which raised Pyro level.
Thanks to Cor Ignis we know:
- her flames possess the mystical capability to help individuals escape the afterlife or return safely to reality when facing death or curses
- Odette discovered it (flame inside) helped her recover much faster when she was sick
So Signora's flames has healing and resurection powers.
And now imporant part that everyone keeps forgetting:
- "Rumor told of how she sacrificed her mortal body to become the embodiment of liquid fire herself."
- "From the ashes, the Crimson Witch of Flame was born, and she burned away her pain with fire."
- "the undying butterfly danced amidst burning flesh and blood"
So, Signora's real form is Crimson Witch of Flames (not human), her body is flame, she is "humanoid" Pyro elemental with human mind and soul. There were some parts of her old body, that's why Cryo Delusion could bring her back to her former looks, but it was still just like Cor Ignis: Flame trapped in the ice.
All of this means she can recover as long as her flames exist and in 7.0 we send her flames (hellfire butterlies) to her body, giving her back part of her power and starting her recovery, which is shown by spawn on Pyro crystalflies.
We are yet to go to The Mare Jivari (it's lore share same domain as Signora's lore and Phoenix is suppose to live there), leaks says there is suppose to be some Avatar_Lady in 7.4, and patch 7.8 or 8.0 would work for her banner since she was 8th Harbinger.
TL;DR: She is moth likely recovering in her tomb right now thanks to her buterflies going back to her "like a moth to the flame". Keep believing!
P.S. It would be funny if she stole Pyro Gnosis from afterlife while Irminsul was burning