The secrets, mysteries, monsters, and more of air, earth, fire, and water, collected together at last!
The mythical Codex of the Infinite Planes is a massive book containing information on the very planes of existence. Too many for one document to tackle, so it's been divided up into volumes covering individual planes.
Crack open the Codex in this first collection of the individual volumes and learn all about the Inner Planes! Collecting and re-sorting: