The Codex's pages are formed from translucent azure ice crystals, transforming their encoded text based on surrounding temperatures. In warmth, the runes thaw into legibility before refreezing into cryptic patterns. The book's binding is fashioned from midnight blue leather embossed with the sigil of the Frozen Phoenix.

The Glacialwrit Codex passively influences the investigation through periodic revelations, its pages thawing to unveil clues before refreezing into enigmatic riddles. It creates frozen pathways and barriers, while manifesting visions that guide the truth-seekers.