[He gives a nod of understanding to the idea of necessary parties, his mouth quirking a little wryly at the thought even though they're a more distant memory for him.]

They're common in most worlds I'd heard of before this. In peace times a country's knights would usually keep them in check. [And in times of less peace, well. Nuadha gives a shrug; remembering Felix's title from the profiles, he expects he follows the logic simply enough.]

...Although in our circumstances, it's because Mercuria's friend invites them. Does your world not have such?

[Monsters, or teenage girls that insist on bringing them to pajama parties, Felix can take his pick.]