Pian Yin for Geng Metal Day Master: The Mountain That Contains the Ore

How Pian Yin (Indirect Resource) manifests for Geng Metal Day Masters. Discover how Wu Earth's ancient geological mass contains within its own deep body the concentrated ore the forge's structural precision requires — ore more ancient and refined than the garden can produce, but locked within the mountain, requiring the forge to develop its own mining intelligence to reach it.