Mercifully, yes.

The four of you get dressed and carry out the formalities. First is the marriages: Glenda is the officiant for your union with Xallia, then Anya's, and you yourself oversee the exchange of vows between the succubus and the elf. Xallia kisses are a bit deeper than is traditionally accepted, but that's the closest to disrupted the ceremonies get.

Now comes the heavy stuff.

Glenda goes out to collect roses without prompting as you begin building a small fire with Anya's help. Xallia looks on, uncertain and apprehensive.

You have a bright little blaze going by the time Glenda returns, bouquet in hand. The succubus chuckles as she takes it all in, "Are all your rituals so hilariously literal about your theme?" She puts on a good face, but you can tell how much this is stressing her.

"Only a few," Anya chatters back unthinkingly, "This one is like that mostly to make sure everyone knows what they're signing up for."

"Hush," you state, taking a rose in hand, which Anya copies, then Glenda, before handing the rest to Xallia.

The three of you arrange yourselves before the fire. You, as the most martial gifted and skilled Sister here, stand in the center.

"She who would take the mantle of the Burning Rose, stand before us!"

As Xallia walks forward, the fire becomes impossibly brighter, dimming out the light of the afternoon sun outside.

"Xallia," you boom out, words ringing with divine authority, "you wish to claim the title of Sister, but the rigors of holy life are not to be assumed lightly. Like the thorns of our flower and the heat of our light, the edicts you will be held to will bite into the hands of all who wield them improperly, will you hold fast despite the pain."

Xallia looks scared stiff, but manages a clear, "Of course."

"Then take this token of the Goddess' Will, and carry it in your heart even after it has long left your hand."

As one, you, Anya and Glenda dip your rose over the fire, then put them in Xallia's bouquet. The flames consume the flowers, and an ethereal aura plays over the succubus' awestruck face.

"I-I can feel it."

And like that, the fire and burning roses put themselves out with a rush of air, leaving the aftershocks of the Burning Rose's presence hanging in the cave.

Xallia presses a hand to her temple, "Is that really her, can I really be bonded to a power such as that?"

"It is, you can be, you are," Glenda states simply, stepping around the fire and smiling up at the now divinely favored demon. "You are one of us now, beloved sister."

Anya gives a cheer in support and celebration, and all four of you find fall together in a jubilant group hug.