It's already defined as an abstract archetype! Those aren't supposed to be concrete individual objects in the first place, they are shaped placeholders. In particular, "Torment Nexus" is a placeholder for any hypothetical (or real) high-tech invention which involves a disturbing amount of human suffering.
In other words, it's just like discussing "the Hero's Magic Weapon" or "the Wise Wizard" or "the Weird Place Where Ships Vanish".
Suppose I stated: "Captains hate to pilot their ships near the Weird Place Where Ships Vanish." Does it make sense for someone to complain that the coordinates of the Place haven't been defined, or that nobody has done a statistical analysis of Ship Vanishing rates?
In other words, it's just like discussing "the Hero's Magic Weapon" or "the Wise Wizard" or "the Weird Place Where Ships Vanish".
Suppose I stated: "Captains hate to pilot their ships near the Weird Place Where Ships Vanish." Does it make sense for someone to complain that the coordinates of the Place haven't been defined, or that nobody has done a statistical analysis of Ship Vanishing rates?