Challenging / High-Vigilance Hexagram Xun Palace (Wood) · Returning-Soul Hexagram (Gui Hun)

Hexagram 18: Work on What Has Been Spoiled (Gu)

Gu (Shan Feng Gu) · Mountain Above Wind (Wood)

Hexagram Name
Work on What Has Been Spoiled · Gu (Shan Feng Gu)
Trigram Pair
Upper Gen (Mountain) · Lower Xun (Wind)
Eight-Palace Seat
Xun Palace (Wood) · World Line 3 / Response 6
Related Trio
Nuclear #54 · Opposite #17 · Inverse #17
In the King Wen sequence of the I Ching (Book of Changes), Hexagram 18: Work on What Has Been Spoiled (Gu (Shan Feng Gu)) places the Outer Trigram Gen (Mountain) (Mountain, Earth) above the Inner Trigram Xun (Wind) (Wind (Wood), Wood). Within the Jing Fang Eight-Palace system of Six Lines divination (Liu Yao), this hexagram belongs to the Xun Palace (Wood) as its Returning-Soul Hexagram (Gui Hun), anchoring the World Line (Shi Yao) on Line 3 and the Response Line (Ying Yao) on Line 6. Mountain above and Wind below: the wind is blocked by the mountain, stagnates, and decay sets in. This is the image of repairing what has spoiled, of reform. Set things in order and correct what has gone wrong, and there will be success.

📜 Classical Texts: The Judgment & The Great Image

The Judgment (Gua Ci / Tuan Ci)
Work on What Has Been Spoiled (Gu (Shan Feng Gu))
Great success; favourable to cross the great river. Three days before the day Jia, three days after the day Jia.
The Great Image (Da Xiang Zhuan)
Mountain Above Wind (Wood)
Wind at the foot of the mountain; the noble one rouses the people and nurtures their virtue.

🧭 Trigram Architecture & Four-Hexagram Transformation Graph

At UK MASTER ACADEMY, no hexagram is read in isolation. Classical Chu Yi analysis situates Work on What Has Been Spoiled within its Upper-Lower trigram dynamic alongside three structural counterparts: the Nuclear Hexagram (hidden internal progression), the Opposite Hexagram (complete Yin-Yang polarity inversion), and the Inverse Hexagram (180-degree perspective reversal):

Structural Dimension Hexagram 18 Specification Metaphysical Role & Cross-System Link
Outer (Upper) Trigram ☶ Gen (Mountain) · Mountain (Earth) Governs the external environment, counterparts, public outcome, and later stage. Attribute: keeping still, boundary-setting, calm stability. Post-Heaven direction: Northeast.
Inner (Lower) Trigram ☴ Xun (Wind) · Wind (Wood) (Wood) Governs inner motivation, domestic foundation, and initial stage. Attribute: gentle penetration, adaptability, gradual influence. Post-Heaven direction: Southeast.
Eight-Palace Lineage Xun Palace (Wood) · Returning-Soul Hexagram (Gui Hun) World Line at Line 3, Response Line at Line 6. Standard Palace Configuration (Returning-Soul Hexagram (Gui Hun)): evaluate the Five-Element generation and restriction between the World Line (Line 3) and Response Line (Line 6).
Nuclear Hexagram (Hu Gua) Hexagram 54: The Marrying Maiden (Gui Mei) Formed from Lines 2-3-4 (lower) and Lines 3-4-5 (upper); reveals the latent middle phase and unspoken subtext driving the outcome.
Opposite Hexagram (Cuo Gua) Hexagram 17: Following (Sui) Inverts all six Yin and Yang lines; exposes the shadow polarity and complementary law when conditions reach their extreme.
Inverse Hexagram (Zong Gua) Hexagram 17: Following (Sui) Turns the six-line stack upside down; shows how the exact same situation looks from the other party's vantage point.
Medical I Ching & Organ Axis Upper: Stomach & Spleen Meridian (Earth) · Lower: Gallbladder & Liver Meridian (Wood) Anatomical resonance: hands, spine, joints, stomach, upper digestive tract and thighs, upper airways, qi circulation, gallbladder. Explore deeper diagnostics in our Body & Five Elements Atlas.

📐 Na Jia Six-Line Matrix (Wen Wang Gua / Six Lines System)

In Six Lines Divination (Wen Wang Gua), each line of Hexagram 18 Work on What Has Been Spoiled is assigned a Heavenly Stem, Earthly Branch, Five-Element phase, and one of the Five Six-Relatives calibrated against the Xun Palace (Wood) element. Whenever a Six-Relative is absent from the primary six lines, its Hidden God (Fu Shen) is drawn from the pure Palace Head hexagram:

Line Position (Top to Bottom) Na Jia Stem & Branch Six Relative & Hidden God Single-Line Transformed Hexagram
Line 6 (Nine at the Top)Response Bing Yin (Tiger) · Wood Siblings (Xiong Di) Transforms into Hexagram 46: Pushing Upward
Line 5 (Six in the Fifth Place) Bing Zi (Rat) · Water Parents (Fu Mu)Hidden: Offspring (Zi Sun) · Xin Si (Snake) (Fire) Transforms into Hexagram 57: The Gentle
Line 4 (Six in the Fourth Place) Bing Xu (Dog) · Earth Wife and Wealth (Qi Cai) Transforms into Hexagram 50: The Cauldron
Line 3 (Nine in the Third Place)World Xin You (Rooster) · Metal Officer and Ghost (Guan Gui) Transforms into Hexagram 04: Youthful Folly
Line 2 (Nine in the Second Place) Xin Hai (Pig) · Water Parents (Fu Mu) Transforms into Hexagram 52: Keeping Still
Line 1 (Six at the Beginning) Xin Chou (Ox) · Earth Wife and Wealth (Qi Cai) Transforms into Hexagram 26: Great Taming

📊 Line-by-Line Commentary: All 6 Moving Lines & Transformations

Counted from the bottom upward (Initial, Second, Third, Fourth, Fifth, and Top), the six lines trace the complete arc of an affair from inception to culmination. When casting with our Three-Coin I Ching Tool or Plum Blossom Divination Calculator, focus on the moving line(s) alongside the resulting Transformed Hexagram:

Line 1 · Six at the Beginning Yin Line · Wife and Wealth (Qi Cai) · Earth Changes to Hexagram 26: Da Chu
Line Text: To set right what the father spoiled: with a worthy son the father bears no blame; there is danger, yet in the end it is auspicious.\n
Lesser Image: To set right what the father spoiled means to carry on the purpose the father left behind.\n

Master Ưng Khiêm's Commentary: This line speaks of a later generation taking up and repairing what an earlier one left unfinished, whether that is a family enterprise, the habits of a household, or work left half done. I have seen this as a very fine line, because the son looks straight at what has gone wrong and mends it, without evasion and without blaming anyone. There may be difficulty and pressure at the start, but since the work is done out of filial feeling and a sense of duty, the end is still good.\n

When Line 1 Moves in Divination: Wealth: correct the old errors in your business and matters will settle afterwards. Work: take responsibility for clearing up what a predecessor left behind, hard at first but durable in the long run. Love: heal an old rift in the family, and the result will be good. Health: treat an old smouldering complaint through to the end and do not let it drag on. Decisions: dare to face and repair what has been left outstanding.\n
Strategic Counsel: Do not shrink from the hard work an earlier hand left behind; mend it with a sincere heart and the end will surely be good.
Line 2 · Nine in the Second Place Yang Line · Parents (Fu Mu) · Water Changes to Hexagram 52: Gen
Line Text: To set right what the mother spoiled: one must not be too rigid in holding to a single course.\n
Lesser Image: To set right what the mother spoiled, one must find the middle way.\n

Master Ưng Khiêm's Commentary: Correcting a mother's fault is not like correcting a father's; it calls for more gentleness and more delicacy, because the feeling between mother and child is tender. I advise you that when you must offer counsel or set something right with a family member, above all with an elder of the house, use a mild manner, do not press rigidly on who is right and who is wrong, and hold to the middle way; only then will the matter go smoothly.\n

When Line 2 Moves in Divination: Wealth: money matters inside the family need a deft hand, so do not be too blunt. Work: raise a point with a superior gently and avoid a head-on collision. Love: handling friction with a mother-in-law calls for tact. Health: caring for an elderly relative asks for patience and a gentle touch. Decisions: choose the mild way rather than the hard one.\n
Strategic Counsel: When something must be set right with a family member, use gentleness and the middle way, and do not be rigid.
Line 3 · Nine in the Third Place Yang Line · Officer and Ghost (Guan Gui) · Metal · World Line Changes to Hexagram 04: Meng
Line Text: To set right what the father spoiled: there is small regret, but no great blame.\n
Lesser Image: To set right what the father spoiled brings, in the end, no blame.\n

Master Ưng Khiêm's Commentary: This line stands in a firm and strong place, but excessively so. In setting the old matter right it may act a little harshly, so that those concerned are somewhat put out, yet since it proceeds from good will and a sense of duty no great fault is committed. I advise you not to hold back for fear of giving offence. What needs mending must still be mended, and if only you keep your heart upright, a little regret is nothing to fear.\n

When Line 3 Moves in Divination: Wealth: correcting a fault in your business may cause momentary discomfort but no great harm. Work: a firm reform may meet small resistance, so simply persevere. Love: speak frankly even if it costs a little goodwill; it still ought to be said. Health: see the treatment through even if the beginning is unpleasant. Decisions: accept a small collision in order to reach a large result.\n
Strategic Counsel: Do not fear a little regret when you are doing the right thing; keep your heart upright and in the end there will be no fault at all.
Line 4 · Six in the Fourth Place Yin Line · Wife and Wealth (Qi Cai) · Earth Changes to Hexagram 50: Ding
Line Text: To be indulgent toward what the father spoiled: go on like this and you will meet with regret.\n
Lesser Image: To be indulgent toward what the father spoiled; go forward so and nothing is yet attained.\n

Master Ưng Khiêm's Commentary: This line is quite unlike those before it. Here is a person of soft temper who sees the damage and hesitates, indulging and drifting rather than setting it right. I warn you that this is the very seed of stagnation, for a small matter left unmended becomes a large one hard to untangle. If you draw this line, look at yourself and ask whether you are avoiding some problem that needs to be dealt with.\n

When Line 4 Moves in Divination: Wealth: a debt or a loss left where it lies will only grow harder to handle. Work: an outstanding problem must be settled now, so delay no longer. Love: a small quarrel constantly sidestepped will become a large rift. Health: a light complaint taken lightly and left untreated will turn serious. Decisions: stop hesitating and act now before it is too late.\n
Strategic Counsel: Do not put off what needs mending out of softness of heart; the longer it waits the harder it gets, so be decisive from this moment.
Line 5 · Six in the Fifth Place Yin Line · Parents (Fu Mu) · Water Changes to Hexagram 57: Xun
Line Text: To set right what the father spoiled, using virtue and so winning praise.\n
Lesser Image: To set the father's affair right and be praised for it comes of carrying it on with virtue.\n

Master Ưng Khiêm's Commentary: This line stands in the honoured seat, yielding yet central, and it knows how to use its own virtue and standing to set old matters right, so that the world praises and respects it. I have seen that this is the highest way of correcting a fault, not by the imposition of power but by the transforming force of character. A person with this line often has a leadership that is gentle and yet effective.\n

When Line 5 Moves in Divination: Wealth: use your standing and your good character to put the business in order, and people will support you. Work: reform by persuasion and by winning hearts rather than by force, and you will be well regarded. Love: heal the breach with genuine feeling, and your family will hold you dear. Health: nourish life by living virtuously, for a peaceful mind makes a sound body. Decisions: use gentleness and character to settle a large matter.\n
Strategic Counsel: Use your own virtue and standing to set the old matters right, for that is the road to a trust that lasts a lifetime.
Line 6 · Nine at the Top Yang Line · Siblings (Xiong Di) · Wood · Response Line Changes to Hexagram 46: Sheng
Line Text: He does not serve kings and princes; he holds his own high and pure integrity in honour.\n
Lesser Image: He does not serve kings and princes, and such a purpose may serve as a model.\n

Master Ưng Khiêm's Commentary: At the last line the work of putting things in order is finished, and there are those who choose to withdraw, caring nothing for fame, gain or office, and keeping their own pure integrity instead. I have seen that this is not a flight from duty but a choice worthy of respect. Having fulfilled what was his to do, the noble one has the right to withdraw and live according to his own purpose, unbound by rank and reputation.\n

When Line 6 Moves in Divination: Wealth: want less, live simply and at ease, and you will find you have enough. Work: this may be the time to withdraw and rest, having given all you had to give. Love: value the life of the spirit above outward ties. Health: a plain diet and a quiet mind make for good recovery. Decisions: dare to refuse fame and gain in order to keep your own purpose.\n
Strategic Counsel: When you have fulfilled your duty, let your heart be at ease; to keep a pure integrity is worth more than any renown.

🌟 Practical Divination Across Major Life Domains

Overall strategic trajectory of Hexagram 18 Work on What Has Been Spoiled · UK MASTER ACADEMY

1. Overall Trajectory & Strategic Timing

Mountain above and Wind below: the wind is blocked by the mountain, stagnates, and decay sets in. This is the image of repairing what has spoiled, of reform. Set things in order and correct what has gone wrong, and there will be success. Because Gen (Mountain) (Earth) rides above Xun (Wind) (Wood), the hexagram asks you to align inner preparation (gentle penetration, adaptability, gradual influence) with outward execution (keeping still, boundary-setting, calm stability).

Core Decision Principle: Wind at the foot of the mountain; the noble one rouses the people and nurtures their virtue. At the ruler's fifth position, classical guidance emphasizes: use gentleness and character to settle a large matter.

Career and wealth reading for Hexagram 18 Work on What Has Been Spoiled · UK MASTER ACADEMY

2. Career, Leadership & Financial Strategy

Career & Governance: In the opening phase (Line 1), the counsel for work is clear: take responsibility for clearing up what a predecessor left behind, hard at first but durable in the long run. As the hexagram matures to its fifth position (Line 5), leadership reaches its decisive test: reform by persuasion and by winning hearts rather than by force, and you will be well regarded. Anchor your authority on the World Line (Line 3) while observing how counterparts respond at Line 6.

Wealth & Capital Allocation: Early financial posture requires discipline: correct the old errors in your business and matters will settle afterwards. When conditions ripen at the fifth line, capital movement shifts: use your standing and your good character to put the business in order, and people will support you. In Six Lines casting, examine the Wife and Wealth (Qi Cai) line within the Xun Palace table above to judge liquidity and timing.

Love, marriage, and family dynamics in Hexagram 18 Work on What Has Been Spoiled · UK MASTER ACADEMY

3. Relationships, Marriage & Family Harmony

Relational harmony depends on the resonance between the Inner Trigram (Xun (Wind), self/home) and Outer Trigram (Gen (Mountain), partner/environment). In the developing inner stage (Line 2), relationship dynamics indicate: handling friction with a mother-in-law calls for tact. At maturity (Line 5), the bond reflects: heal the breach with genuine feeling, and your family will hold you dear.

Remember to cross-check the Nuclear Hexagram (Hexagram 54: The Marrying Maiden) when unspoken emotional expectations or family pressures sit beneath the surface.

Health and Five-Element constitutional balance in Hexagram 18 Work on What Has Been Spoiled · UK MASTER ACADEMY

4. Health, Constitutional Qi & Medical I Ching

In classical Medical Yi (Yi Yi), Gen (Mountain) corresponds to the hands, spine, joints, stomach, upper digestive tract, whereas Xun (Wind) governs the thighs, upper airways, qi circulation, gallbladder. Early moving-line diagnostics note: treat an old smouldering complaint through to the end and do not let it drag on. At the uppermost extreme (Line 6), guard against overextension: a plain diet and a quiet mind make for good recovery.

Cross-reference your birth chart's Useful God in Four Pillars of Destiny (BaZi) and inspect meridian-organ resonances in our Body and Five Elements Atlas whenever chronic fatigue or seasonal flare-ups arise.

Five-Element timing and auspicious directions for Hexagram 18 Work on What Has Been Spoiled · UK MASTER ACADEMY

5. Five-Element Resonance, Timing & Spatial Alignment

🌿
Palace Element
Wood (Xun Palace)
🧭
Key Directions
Outer: Northeast · Inner: Southeast
📅
Peak Seasonal Qi
Spring (Lunar Months 1 to 3; Yin and Mao branches)
🎨
Harmonizing Palette
Emerald green, jade, forest tones

Number Resonance & Plum Blossom Numerology Application

When phone sequences, vehicle plates, or personal identifiers map onto Hexagram 18: Work on What Has Been Spoiled under Pre-Heaven Bagua numerology, they carry the energetic signature of Gen (Mountain) (Earth) over Xun (Wind) (Wood). In authentic Eastern metaphysics, evaluate whether the Palace element (Wood) supports your personal Useful God (Yong Shen) in the Four Pillars of Destiny before judging suitability.

❓ Frequently Asked Questions About Hexagram 18: Work on What Has Been Spoiled

Is Hexagram 18 Work on What Has Been Spoiled (Gu) auspicious or inauspicious in the I Ching?
Hexagram 18 Work on What Has Been Spoiled (Gu (Shan Feng Gu)) is classified as a Challenging / High-Vigilance Hexagram. Its classical Judgment states: Great success; favourable to cross the great river. Three days before the day Jia, three days after the day Jia. In authentic divination, however, good or ill fortune depends on the specific question asked, which of the six lines are moving, and how the Palace and Use-God elements interact with the month and day of casting.
What are the Upper Trigram, Lower Trigram, and Eight-Palace positions of Hexagram 18?
Hexagram 18 places Gen (Mountain) (Mountain, Earth) above Xun (Wind) (Wind (Wood), Wood). In Jing Fang's Eight-Palace system, it belongs to the Xun Palace (Wood) as the Returning-Soul Hexagram (Gui Hun), with the World Line on Line 3 and the Response Line on Line 6.
What are the Nuclear, Opposite, and Inverse hexagrams of Hexagram 18 Work on What Has Been Spoiled?
Its Nuclear Hexagram (Hu Gua, hidden middle development) is Hexagram 54 The Marrying Maiden (Gui Mei); its Opposite Hexagram (Cuo Gua, full polarity inversion) is Hexagram 17 Following (Sui); and its Inverse Hexagram (Zong Gua, overturned perspective) is Hexagram 17 Following (Sui).
Which Transformed Hexagrams arise when each of the 6 lines of Hexagram 18 moves?
Single moving-line transformations for Hexagram 18 are: Line 1 changes into Hexagram 26 Great Taming (Da Chu); Line 2 changes into Hexagram 52 Keeping Still (Gen); Line 3 changes into Hexagram 04 Youthful Folly (Meng); Line 4 changes into Hexagram 50 The Cauldron (Ding); Line 5 changes into Hexagram 57 The Gentle (Xun); Line 6 changes into Hexagram 46 Pushing Upward (Sheng).
How can I cast Hexagram 18 using traditional Three-Coin, Six Lines, or Plum Blossom methods?
You can cast and analyze Hexagram 18 online free of charge using UK MASTER ACADEMY's I Ching Three-Coin Casting tool, the Wen Wang Gua Six Lines Na Jia Chart calculator, or the Plum Blossom Numerology (Mei Hua Yi Shu) calculator.
Authored & Verified by Master Ưng Khiêm (Trần Quốc Dũng) · UK MASTER ACADEMY

Part of the 64-Hexagram & 384-Line Classical I Ching Compendium by UK MASTER ACADEMY, synthesizing Zhouyi Zhengyi, Jing Fang's Eight-Palace Na Jia lineage, and Shao Yong's Plum Blossom Numerology.

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