Putting on a tough front, Ereshkigal pummels Mash and Ritsuka with stone projectiles, but Gilgamesh, despite being dead, can still launch attacks from his Divine Treasury under his Royal Authority. His assist enables Ritsuka to start a dialogue of reconciliation; of asking Ereshkigal straight-up if she’ll leave the Alliance and join their fight to protect Uruk.
Ereshkigal is initially stubborn and won’t put her duties aside. Ishtar provides some griping for psychological effect. All Ereshkigal claims to want is “commendation” for all of the hard work she’s done in the Underworld while her other half flew freely through the heavens.
Ritsuka tells her he can’t praise her for work she clearly hates doing but does anyway out of divine obligation. Instead, he spends a Command Seal so Mash can activate Camelot, tearing down Ereshkigal’s hostile front (expressed through Gulganna) while protecting her pride and dignity as a goddess.
The scary skeleton monster disappears, leaving only a chastened, yet also relieved Ereshkigal in human form. She exhibits far more dere than tsun in this state, as Ritsuka takes her hand with both of his and welcomes her to their side if she’s willing. Ereshkigal is surprised he knew it was her coming to visit him during those chats, which is why he knew deep down she wasn’t an evil goddess like Gorgon.
The old cloaked dude severs Ereshkigal’s connection to the Alliance, but she holds back on becoming an official servant of Ritsuka. Before that, she wants to be of help to Ritsuka of her own free will rather than by contract, when he and the others are in a bind.
Until then, as Gilgamesh ascends back to the living world, his soul freed and returned to him by Ereshkigal, Ritsuka, Mash, and Ishtar trudge back to the surface to meet him back at his ziggurat in Uruk. Siduri is over the moon to have her king back, but Gilgamesh reports that while in the Underworld he failed to find Enkidu’s body, which means while his soul was destroyed, Kingu may be the present occupant of that body.
Before dying, the real Enkidu assured Gilgamesh that he’d “encounter more valuable treasures than me” in time. Perhaps those treasures have revealed themselves as Ritsuka and his growing alliance of servants and goddesses, all dedicated to saving Uruk and the human world, even if it ultimately means the end of the age of gods.