Book of Iod

The Book of Iod (ヨードの書籍, Yōdo no shoseki) is a Grimoire created by the Dimensional Lord, Iod. The contexts of the book itself is unknown, as it's sealed within the Dimensional Vaults, on-board the Diamond-Dimensional Colony Warship, Spirit of Recollection.

Trivia.Notes

 * Based on the Book od Iod from the Mythos in H.P Lovecraft.