The Pursuit Grimoire (探求の魔道書 Tankyū no Madōsho) is a grimoire in form of a female statue. It has ability to absorb a soul who pursues and desires to achieve a goal. Its sole known victim was Elina, whose pursuit was to find a way to resurrect her lover.
A particle of Blue from this grimoire made Mai Natsume the Intermediary Grimoire.