It does not correspond to:

Codex - A codex refers to a book, especially one of ancient or historical significance. In modern contexts, it might refer to a collection of rules, a manual, or significant written content.

2. LEONA HEIDERN & VANESSA

They stepped into the arena, a shimmering ballroom that shifted into a digital landscape. Opposing them stood Leona Heidern and the crystalline Kula Diamond