Chamber of the Necronomicon
Credit: Xilver and Bethesda Softworks
This image is originally part of the article The Elder Scrolls IV: Oblivion Plugin Walkthrough Maps - Midas Magics Spells of Aurum: Plane of Unlife, Plane of Light and Mechanical Halls
The Chamber of the Necronomicon from the Midas Magics mod for Oblivion.
