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Senji Ryakketsu

In its own language: 占事略決

From Japanese kanji meaning 'Summary to Judgements of Divinations'

A Heian-era divination text attributed to Abe no Seimei, detailing shikigami-based fortune-telling.

Historical

Senji Ryakketsu is a Japanese divinatory text from the Heian period. It is attributed to the legendary onmyōji Abe no Seimei and outlines techniques for using shikigami spirits to predict outcomes in daily life.

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  • Attributed to the legendary Abe no Seimei
  • Contains six thousand forecasts
  • Uses shikigami for fortune-telling
  • Covers finding lost objects and gender prediction
  • Inspired fictional books in modern manga

What it is

Senji Ryakketsu is a historical text on divination originating in Japan during the Heian period. The title translates to 'The Summary to Judgements of Divinations.' It serves as a manual for practitioners seeking to interpret omens and predict future events. The work is traditionally credited to Abe no Seimei, a famous figure in Japanese history known for his mastery of esoteric arts. The text focuses on practical applications of magic rather than abstract theory.

Where it comes from

The manuscript dates back to the Heian period, a time of significant cultural development in Japan. Scholars attribute the work to Abe no Seimei because it contains a chapter explicitly bearing his name. While Seimei is a legendary figure, the text stands as a key document of the era's divinatory practices. Its survival provides insight into how such knowledge was recorded and transmitted among specialists.

How it is done

The text describes thirty-six distinct fortune-telling techniques. These methods rely on the use of shikigami, which are spirit servants summoned by the practitioner. The procedures involve directing these entities to gather information about specific queries. The approach is systematic, offering structured ways to interpret the responses received from the spiritual realm.

Tools and materials

The primary tool mentioned is the shikigami. These are not physical objects but spiritual entities used as intermediaries in the divination process. The text does not detail physical instruments like stones or cards. Instead, it emphasizes the manipulation of spiritual forces to reveal hidden information about the world.

Senji Ryakketsu, drawn and placed

Emblem With the book shape. Drawn from this page, not a photograph.
  1. Living
  2. Revived
  3. Fading
  4. Historical
  5. Legendary
  6. Performed
Standing: Historical Documented in the past; no continuous living tradition today. This says whether people still do it, not whether it works.
A book with a clasp: grimoires, papyri and manuals of rites, and the learned side of magic.
Lineage
Onmyōdō tradition
Where it sits The tradition it belongs to, and when it is done.

What it is for

The content covers six thousand forecasts aimed at resolving everyday concerns. Common questions include determining the gender of an unborn child or locating lost items. It also offers advice on personal conduct and life decisions. The goal is to provide clarity and guidance for individuals navigating daily challenges through supernatural means.

Who does it

The text is associated with Abe no Seimei, who is depicted as a master of these arts. In modern contexts, it is studied by scholars interested in Japanese history and folklore. Historically, it would have been used by onmyōji, officials responsible for calendrical and divinatory duties. The knowledge is specialized and requires training in the underlying esoteric systems.

Peoples and places

The work is rooted in Japanese culture and reflects the beliefs of the Heian aristocracy. It represents a specific strand of Japanese esotericism that blends indigenous practices with imported influences. The text remains a part of Japan's literary heritage, often referenced in discussions of traditional magic and mythology.

At a glance: who, where and when

Peoples

Belief worlds

What people believe

The underlying worldview assumes that spirits can be commanded to reveal truth. Shikigami act as extensions of the magician's will, capable of traversing boundaries between the visible and invisible worlds. Success depends on the practitioner's ability to correctly invoke and direct these entities. The system operates on a logic of cause and effect within the spiritual realm.

When it is done

The text does not specify particular festivals or calendar days for its use. The techniques appear applicable whenever a query arises. This suggests a flexible practice where divination is performed on demand rather than during fixed seasonal rituals. The focus is on immediate problem-solving rather than cyclical observance.

How scholars and sceptics see it

Researchers view Senji Ryakketsu as a valuable source for understanding Heian-period intellectual life. It illustrates the intersection of religion, science, and magic in medieval Japan. Analysts note its structured approach to fortune-telling, which contrasts with more chaotic folk practices. The attribution to Seimei highlights the tendency to centralize magical knowledge under famous figures.

Cautions and what is closed

No specific warnings or dangers are recorded in the provided text excerpts. The focus remains on the utility of the divination methods. Modern readers should understand the text as a historical artifact rather than a functional guide. There is no evidence of harm associated with its study or publication.

Compare and confuse

The work is similar to other onmyōdō manuals that utilize spirit communication. It differs from general almanacs by focusing on active divination rather than passive prediction. In popular culture, elements of this text inspired fictional works like the manga Shaman King, where a similar book plays a central role.

Law and persecution

The text is in the public domain and available online. There are no legal restrictions on its access or distribution. It is treated as a cultural heritage item rather than restricted knowledge. Libraries and digital archives preserve copies for academic and public interest.

Questions people ask about Senji Ryakketsu

What is Senji Ryakketsu?

It is a Japanese divination text from the Heian period. It details methods for using shikigami spirits to predict outcomes and solve daily problems.

Who wrote Senji Ryakketsu?

It is attributed to Abe no Seimei, a famous onmyōji. The text includes a chapter named after him, linking it to his legendary status.

What kind of predictions does it make?

It covers everyday matters like finding lost items or determining a baby's gender. It offers practical advice based on spiritual consultation.

How does the divination work?

Practitioners use shikigami, or spirit servants, to gather information. Thirty-six specific techniques are described for directing these entities.

Good reading and sources

Where this page comes from

The facts on this page come from the Wikipedia article "Senji Ryakketsu", written by its contributors and used under the CC BY-SA 4.0 licence, and from its Wikidata record (CC0). EveryJaadu rewrote the text in its own words, with AI assistance, and compares every page with the article to make sure no passage is copied. It may be reused under the same CC BY-SA 4.0 licence with a link back.

It may contain mistakes. Names and customs differ from one community to the next, and some knowledge is closed to outsiders and left out here. This page describes belief and practice. It does not say that any of it works, it is not a how-to, and it is not medical advice. If something is wrong, tell us. Last refreshed 2026-10-14.

Photo credits on this page

The small pictures above come from Wikimedia Commons under free licences. Some are cropped to fit.

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