Grimoire (Kai)

Grimoire (魔道書, Madōsho Lit: Books of Magic) is a Holder Type Magic that revolves around the use of magical books.

Description
Grimoires takes the form of books that varies at appearances. Ranging from a simple old tattered book to a golden plated book. The books are stated to have some form of sentience, as they choose their master and remains with them until their deaths.

Abilities
Once a Grimoire has chosen its master, it will enter the users body and gives the user access to various type of magic an abilities. The user is able to summon their Grimoire at any given time as, as long as they have the magical power to do so. It is known that each Grimoire give the user access to one type of magic and spells. To cast a spell, the user will flow their magical power into the book, thus causing the spell to activate. It is stated that each page in the book is a different page and that the final page houses the book's most powerful spell. While normally having to open the book to use a spell, a user does not need to do so, however the strength of the spell is drastically decreased. While often having a symbiotic relationship with its owner, at time the Grimoire is able to take over the body of the user if needed. While often giving the user access to magics, some are capable of granting the user weapons or armor instead.

Known Grimoire

 * Gigas Codex:
 * Black Grimoire:
 * Book of Black:
 * Grimm Fables: