Crimson Codex

The is a sentient western spellbook that was an heirloom of Miyamoto Musashi left to Miyamoto Iori, involved in the Waxing Moon Ritual of Fate/Samurai Remnant.
==Profile==
===Background===
A sentient spellbook that has a will of his own. He floats in the air, and speaks like a human. He is Iori's Magecraft teacher and self-proclaimed substitute for Musashi after his death.Fate/Samurai Remnant - Official Website: Characters
The leather of its cover is made from the skin of a rare Hippogriff. The reason it's capable of thought and speech is because he simulates the personality of the Magus whose soul is bound with the book. He is an intelligent life created through Magecraft, but in a completely different field of study from Homunculi.Fate/Samurai Remnant material
It is stated that he traveled with the male Musashi over half of his lifetime. He asserts to this day that it was his keen insights that prompted Musashi to write the Book of Wind. He considers Musashi his friend.Fate/Samurai Remnant - Glossary: Terminology 
===Appearance===
===Personality===
==Role==
===Fate/Samurai Remnant===
He instructs Iori and Saber about the protection of Iori's magus workshop and the inner details of the control and fighting over Edo's Ley Lines and Spirit Fonts.
The Crimson Codex is the one who tells Iori and Saber of Lancer's identity as Jeanne d'Arc, as he recognizes her face while they had never heard of her before.
At the end of the game Crimson Codex chooses to absorb the Waxing Moon Vessel, by doing this he would absorb the Waxing Moon's Magical Energy but would die. He accepts this fate, telling Iori and Saber that he lived long enough and had various owners, he is only choosing his own time to die. While he is willing to do this in all three routes, he only goes through with it in "Entreat the Darkness" as the Waxing Moon is destroyed through other methods in the other two routes.
==== Keian Command Championship ====
Crimson Codex joins Aria and supports Iori and Saber during their matches.
===Fate/Grand Order===
When Iori is summoned as a Servant, the Crimson Codex is one of his Skills.
====Waxing Moon Clashing Swords Chronicles====
==Development==
===Creation and Conception===
The Crimson Codex was designed by Rei Wataru in Fate/Samurai Remnant.
==References==
Category:Introduced in 2023
Category:Characters in Fate/Samurai Remnant
Category:Characters in Fate/Grand Order (Part 2.5)
Category:Magical books
Category:Mystic Codes
Category:Manifested by a Servant
Category:Miyamoto Musashi (topic)