: Track whether the "Chasm Line" has been added to determine if the magic "fires" or remains "inert" (represented by dark, oily smoke).

To develop a feature around , Brandon Sanderson's debut novel, one could focus on the unique AonDor magic system or the city's complex geographical-based mechanics . Feature Concept: "The Aon Sandbox"

: A canvas where users draw specific shapes (Aons). The system validates the geometry against the Aon base forms found in the book's Ars Arcanum .

: Incorporate metallic silver and brilliant white color palettes to mimic the appearance of the god-like Elantrians.

: A tool that uses Aonic linguistic patterns (like the "Rao" in Raoden or "Sa" in Sarene) to help fans create lore-accurate character names. Technical Implementation Idea If this were a digital app or website feature:

: Upon successful drawing, the interface could transition from "grimy and dull" (the state of the city during the Reod) to "glowing and silvery" (the city's original radiance ).

This feature would allow users to interactively "draw" Aons (magical runes) to see their effects, simulating the experience of an Elantrian.

: Use basic gesture recognition to detect the central "Aon" shape.