Useful God Determination (喜用神判斷)
In Wuxingpai, 用神 is the element that makes the chart workable. It is not a lucky charm, a fixed favourite element, or a promise of events. The school asks one practical question: should the reading balance the chart or follow the dominant flow?
Balancing Method (扶抑取用)
Most charts are ordinary charts. A weak Day Master receives Resource and Parallel; a strong Day Master receives Output, Wealth, or Officer control. The choice is still made after 合 -> 生 -> 剋, because a stem that has combined away cannot be used as if it were free, and a non-adjacent branch cannot be promoted into a combination just because the desired element is convenient.
Following Method (順勢取用)
When one element clearly commands the season, roots, and visible stems, Wuxingpai does not automatically “save” the Day Master. 專旺 and 從格-family charts work by alignment. A 甲 Wood chart with 寅卯辰, month command in 卯, and Water Resource can be harmed by forcing Metal control. Its useful direction may be Water/Wood with controlled Fire expression, because the chart succeeds by extending the existing flow rather than fighting it.
Why Teachers Disagree (師承分歧)
Real Wuxingpai teachers may disagree because they weight thresholds differently. One teacher may call a chart weak and prescribe Resource; another may see a valid following pattern and prescribe 順勢. The disagreement is not a failure of the art. It usually comes from three judgment points: whether a combination truly transforms, whether the Day Master has usable root, and whether the month command is strong enough to define the whole chart.
What To Do With 用神 (用神落地)
- Direction 方位: use elemental direction as planning language. Wood points east and growth; Fire points south and visibility; Earth points centre and stability; Metal points west and refinement; Water points north and networks or mobility.
- Vocation 職能: map the useful element to work style. Wood supports education and development; Fire supports presentation and leadership; Earth supports operations and care; Metal supports systems, finance, law, and craft; Water supports logistics, research, language, and strategy.
- Timing 時機: prefer Luck Pillars, annual flows, and months that carry 用神 or 喜神. Treat 忌神 months as review, maintenance, and risk-control windows.
- Conduct 行動: choose behaviour that embodies the useful element. A Water useful god may mean learning, listening, negotiating, and moving through networks; it does not mean waiting passively for Water years.
Five-God Map (五神定位)
After 用神 is selected, derive 喜神, 忌神, 仇神, and 閒神. 喜神 generates or protects 用神. 忌神 blocks it. 仇神 feeds the blocker. 閒神 is background unless timing activates it. This map lets the reader explain opportunity and friction without vague fatalism: the chart shows which conditions make action cleaner, not an unavoidable script.
Verification Against Life Data (以事驗神)
When teachers disagree, the next step is verification, not argument. Compare past Luck Pillars and annual flows with documented life periods. If Water was called 用神, then Water periods should show clearer support, better learning conditions, stronger networks, or easier recovery. If Fire was called 忌神, Fire periods should show overexposure, pressure, dryness, or conflict unless another valid combination changed the flow first. The reader should record both confirmations and exceptions, because an exception often reveals a missed 合 or a hidden root.
Useful God Is Not Consumer Advice (用神不是商品化建議)
Wuxingpai does not reduce 用神 to buying colours, wearing objects, or chasing a direction without context. Direction, vocation, and timing are behavioural tools. A Metal useful god may mean refining systems, legal structure, accounting discipline, surgery-like precision, or craft excellence. An Earth useful god may mean building routines, property literacy, caregiving boundaries, and stable operations. The element becomes useful when the person acts through it and chooses timing that supports it.
用神重在疏通 — Circulation Over Balance (Founder Doctrine)
鍾榕逸's sharpest statement of the useful god reframes the whole question. The ten gods reduce to 五英雄 (five heroes): 食傷, 比劫, 官殺, 印, 財. Left alone they sabotage one another in a closed ring — 財破印, 印剋食傷, 食傷剋官殺, 官殺剋比劫 — so a chart can prosper in one domain while bleeding in another. The useful god is whichever element turns this mutual sabotage into a relay: it is chosen for its function — making the five heroes hand strength forward (疏通) — not for topping up a weak Day Master.
用神變忌神 — When the Useful God Turns Hostile
Because the heroes' relationships are rewritten by each year and month, the useful god is a moving appointment, not a lifetime title. The founder demonstrates this on his own chart (丁火 day master, textbook-weak): classical balancing says fire and wood help. In a 癸 water year, the chart's 乙 wood quietly absorbs 癸 and shields 丁 — so nearly every month flows well. But the moment a 丙 fire month arrives, fire stands exposed on the stems, 癸 strikes both 丙 and 丁 directly, and the supposed remedy becomes the wound: 用神變忌神. The same transit clipped his 比劫 — and a colleague resigned that month (比劫 as peers), while 官殺纏身 marked the mood. One case, three lessons: shielding stems change what is safe; exposure on the month decides what is struck; and six-relations events ride the same mechanics. (Source: 鍾榕逸, 命理異言堂 「八字案例─身強還是身弱？」、「八字用神重在疏通」)
用神並非不變 — Presence Is Not Availability (Founder Doctrine)
The founder's bluntest pedagogical claim: a reader who picks 用神 from strength alone is guessing — 「準確率根本不到一半」 — because strength reads the natal chart and ignores the luck pillar, the year, and the arrangement that decides where each element actually flows. The point of study, he insists, is not 批命 but knowing your current useful god and living through it; and “current” is the operative word.
Surface Fire, No Fire 表面有火
The trap, in one example: the chart wants Fire, and a 丙 Fire luck pillar arrives — celebration seems in order. But let a Water year run through that decade and the Fire is pinned at the surface: 「表面有火，但實際上一點火也沒有」 — fire on the label, none in the chart. Earth charts in the same configuration find no support either, because the Fire that would feed them never survives to generate.
The 癸巳 Year Audit 水年缺水
His worked proof is the 2013 癸巳 year — nominally a Water year, audited as water-deficient. The 癸 stem spent itself generating the spring's 甲乙 Wood; the 巳 branch fed the same Wood–Fire economy; so a “Water year” opened with no usable Water at all. Only when the 丙 month surfaced Fire on the stems did 水剋火 engage — Water finally had work to do, entered the chart, and (in the founder's almanac-keeping) the rains arrived with it. The audit method generalises: never count an element from its presence in the pillars; trace what it is actually doing — generating away, combined off, or free — before crediting it to the chart.
The Divorce Refutation 反證
And the static rule fails its own simplest test: if 身強 charts mechanically welcome 官殺 control, strong-Day-Master women should essentially never divorce — the husband-star is supposed to suit them. Observation says otherwise, which for the founder closes the argument: 用神 must be re-derived against the live transit, every time. (Source: 鍾榕逸, 命理異言堂 「八字用神並非不變」)
五行取運法 — The Element-Replenishment Catalog (Founder Practice)
The caution above against commodified 用神 advice shows exactly where the founder's own line sits: he prescribes objects, foods, and activities freely — but only downstream of a live diagnosis, as ways to raise daily exposure to an element the current configuration actually needs (most urgently in 日主受剋 months, where the instruction is to replenish the Day-Master element and 印 in volume). The mechanism claimed is elemental contact, not talismanic blessing — and because the diagnosis moves with year and month, so does the prescription. His everyday catalog:
- Metal 金: 五帝錢 brass coins on the desk or worn; cold foods and iced drinks (his gastric-pain anecdote: a client's stomach trouble eased on a deliberately cooling diet); air-conditioning; a metal ring worn on the index finger; a small round mirror carried; rooster and monkey motifs; even whitening skincare and 腸胃散 stomach powder (earth–metal) make his list.
- Water 水: an aquarium for those who can keep one — and mouse motifs (a Mickey figure will do) for the many who need Water yet fear fish. The founder's wry note on that pattern: 「上天會把一些增運的東西封鎖起來」 — the remedy one needs most tends to arrive locked.
- Fire 火: a 光明燈 votive lamp at home; horse figures; batteries carried on the person; sauna and steam-room sessions.
- Earth 土: a salt lamp; crystal; jade — and diamond, which he files under Earth with a warning that sparkle misleads people into calling it Metal; stones picked up and pocketed; starches (rice, sweet potato, taro) as the true dietary Earth, with only beef and lamb qualifying among meats; yellow clothing, which he reads as friendship-luck rather than romance.
- Wood 木: a bamboo flute hung aslant behind one's desk (it must be bamboo; the slant reads as 步步高升); a towel carried; unhurried time among bookshelves — browsing and reading as Wood activity.
Earth deserves its own note: it sits in all four seasons, so the founder refuses to diagnose an Earth need from the season alone — 「必須要經由批八字後才能斷定」 — the one element whose prescription always requires the full chart first. Read as doctrine rather than shopping list, the catalog teaches the school's materialism about 五行: the elements are treated as genuinely present in food, weather, objects, and rooms, so adjusting a life means adjusting its elemental diet. (Source: 鍾榕逸, 命理異言堂 「五行取運法」、「八字要土如何調整？」、「八字要金如何調整？」、「生活五行」)
用神要根據所問 — One Question, One Useful God (Founder Doctrine)
The founder's final blow against the fixed useful god is structural, not rhetorical. The chart carries five independent registers — 財, 官, 比, 食, 印 — each with its own circulation and therefore its own favourable and hostile elements. This is why lives are mixed by construction: career succeeds while marriage fails, marriage thrives childless — one register fed while another starves. The classical promise that "your" useful god improves everything collapses on contact: the long-awaited useful-god decade arrives and helps only the 比肩 register, leaving wealth and career untouched — it was a useful god, just not yours-in-general; there is no yours-in-general. And because the flow itself is rewritten by each pillar, the same 甲 that served the wealth register last decade can turn hostile to it in this one. Two premises — five independent registers, and a flow that keeps moving — make a permanent personal 用神 impossible in principle. The consultation discipline follows: first fix the question (財運? 官運? this year? this decade?), then derive the useful and hostile elements for that register, under the current arrangement. An answer without a question attached is, in the founder's words, just guessing. (Source: 鍾榕逸《命理異言堂》「用神要根據所問」、「不固定的喜忌用神」)
空間用神 — The Space Useful God and 生活取運 (Founder Practice)
If the favourable luck pillar is still years away, the founder refuses to let the client simply wait. Because stems are space and branches are time (see the workflow module's reading-engine layer), the time axis cannot be hurried — but the space axis can be supplied now. This is the 空間用神, the space useful god, and it is the mechanism behind 生活取運 (taking luck from daily life). It has two parts, and the founder is emphatic that only using both produces real 改運.
- Element 五行: saturate daily life with the element the current arrangement needs — the replenishment catalog (foods, colours, objects, directions) is exactly this axis applied.
- Action 行動: embody the ten god that element plays in the chart. If the needed element is 印, live out 印's character; if 官, live out 官's. Objects alone do not turn a life — 「隨隨便便用個五行我就改運了？錯」.
The founder offers himself as the worked case. His needed elements are 火 and 土 — which in his chart are 比劫 and 食傷 — so his action program is to embody both: 比劫 is quantity and self-assertion, 食傷 is produced work, so he floods output, posting a large and continuous stream of teaching videos. Mass (比劫) of works (食傷) is the ten-god behaviour his space useful god prescribes; doing it moves the needle before the time axis ever arrives. The teaching generalises: 改運 is a direction chosen and acted, not an object bought and waited upon. (Source: 鍾榕逸《命理異言堂》「五行派的用神」)