Yi-Geng Combination into Metal (乙庚合金)
Understand the Yi–Geng stem pair, the seasonal and rooted evidence needed for Metal transformation, and the conditions that leave it combined without changing phase.
Overview
Yi–Geng Combination into Metal (乙庚合金) pairs Yi Wood with Geng Metal. It first describes a named stem relation; transformation into Metal is a stricter second judgment. Metal season, roots and continuity must outweigh Yi’s surviving Wood support and any competing, distant, clashed, or obstructed route.
At a glance
- Pair
- Yi Wood and Geng Metal
- Proposed phase
- Metal
- Detection
- The pair is recorded before transformation is tested
- Support
- Metal season, roots, exposure, and an unbroken path
- Blockers
- Wood roots, rivalry, distance, clashes, or counterforce
- Boundary
- No automatic relationship, career, surgery, or danger claim
Map the pair without deleting its original roles
Mark where 乙 and 庚 occur and whether they are adjacent, separated, natal, or introduced by timing. Near contact usually carries more weight than a remote pairing.
Retain Yi as Wood and Geng as Metal in the base chart until the transformation test is actually passed.
- Position changes strength, not identity.
- Original Ten-God roles remain visible.
Test whether Metal has seasonal and rooted command
Look for a Metal-supporting Month Command, functional Metal roots, and a path through which the proposed phase can dominate rather than merely appear.
Then test Yi’s Wood roots, Water support, seasonal vitality, and other chart forces that preserve the original Wood function.
- Require operational Metal, not a Metal label.
- Weigh surviving Wood evidence.
Resolve competing combinations and damaged access
Multiple Yi or Geng stems may contest the same partner. A competing path can weaken exclusivity even when every individual pairing is formally visible.
Clashes, intervening combinations, and period-only support should be disclosed as separate modifiers rather than folded into one permanent verdict.
- Do not select a partner silently.
- Keep natal and timing layers separate.
Avoid literal Metal narratives
乙庚合金 does not prove discipline, decisiveness, partnership outcomes, engineering talent, surgery, injury, legal disputes, or financial gain.
Use the page to explain the relation, supporting evidence, and uncertainty—not to certify traits or forecast events.
- No occupational typing.
- No health or safety prediction.
Sources and editorial basis
- 《三命通會》 (Sanming Tonghui)《三命通會》卷二十干合化：列乙庚合金，成化須有金之時地根源並排除木根、妒合及其他破壞條件A historical compilation covering stems and branches, Ten Gods, Nayin, Shen Sha, and multiple classical pattern systems.
- 《子平真詮》 (True Explanations of Ziping)《子平真詮評註》「論十干合而不合」：相合的距離、重疊與競爭會改變效力，不能由配對名稱逕判化神A major reference for month-command, structure, and contextual Bazi interpretation.
- OpenFate Editorial Methodology乙庚合金頁保留乙木與庚金的基礎作用，另以季節、金根、可達性、爭合及歲運期限審查化金OpenFate separates deterministic chart calculation, traditional interpretation, and modern editorial explanation.