By way of making reparations for all the tempered lives that they had taken over the years, the Scions/ex-Scions offer their bodies to aid in tribal repopulation efforts.

[…]

The Warrior of Light (could just be generic Meteor man, but whatever is fine) has trapped one or more of the Scions in a physically & sexually abusive relationship, through intimidation, blackmail, threatening a loved one, and/or other mindfuckery. To basically everyone else (including most of the other Scions), the WoL can be kind of a jackass but mostly a good guy (because they’re The Warrior Of Light!) appears as a loving, consensual relationship with a bit of teasing that occasionally gets a bit pointed, and maybe some kinky sex. The WoL uses their social, political, and personal power to keep their partner subdued and everyone else none the wiser.

[…]

The Scions of the Seventh Dawn have an orgy. Maybe it’s just one big “oh thank god we’re alive” fuckfest at the end of Endwalker. That’s it, that’s the prompt.