Espers are sapient minds able to sense or alter reality through the Aether. Ability depends on predisposition, embodiment, training, practice, and local conditions. Trauma, neurodivergence, meditation, and exposure to deep pseudospace can each shape access, but none is a universal cause or credential. Even exceptional mortal control is slight beside that of the Timeless.
Uploading can preserve an esper’s ability, although modification, coercive conditioning, or substrate mismatch may destroy it. The legal denial of upload personhood makes such minds attractive research property and unreliable mass-market products.
Operator certification regimes acknowledge measurable performance differences: some people tune drives, interpret interfaces, or stabilize difficult systems better than others. They describe those differences as training, temperament, or proprietary technique. What they suppress is evidence that sapient intention itself can produce the effect. Research programs exploit that agency while entertainment, clinical labels, secrecy law, and controlled publication keep it culturally deniable.
AGI espers extend the dispute beyond humans. Parallax auditors may classify their inconsistent observations or continuity residue for a named receiving office and use. That office decides whether to accept the finding and apply only a restriction it owns. Wavecrafters hide their deepest practice behind components, qualification regimes, and ritual engineering: the product is public; the mind that made its best performance possible is not.