Within the Molten Void Realm, under normal circumstances, the Heavenly Eye was everywhere.
In other words, if you had enough money, you could instantly and clearly display what someone had done in a certain area.
As for the so-called Saint Thief, everyone knew perfectly well what they did. Once discovered, the matter would be reported directly to the law enforcement department, followed by an arrest warrant. If you dared resist, then it would come down to whose methods were superior.
However, as mentioned before, you needed to be sufficiently wealthy to apply for the Heavenly Eye. In most cases, many sects and factions simply could not afford to request its use. It was too expensive.
Look at the battles within the Nine Heavens now. The Heavenly Eye was used in places like that, places where it could bring enormous returns, rather than for the theft of ordinary treasures.
If the money required to apply for the Heavenly Eye was countless times more valuable than the treasure that had been stolen, what was there left to apply for?
Moreover, the Heavenly Eye had several levels of capability: blurry observation, precise observation, precise locking, microscopic locking, truth-breaking locking...
Every tier cost money. You did not know which tier of Heavenly Eye could lock onto the thief, just as the Tianyang Sect's yin god was formless and intangible, with a layer of Spiritual Power surrounding it.
Ordinary Heavenly Eye observation truly could not see it clearly. You might have to waste a great deal of money before you could lock onto someone.
And in daily life, the Heavenly Eye merely spread vaguely throughout the Molten Void Realm. It did not truly capture everything. At most, when powerful energy fluctuations appeared, the Heavenly Eye would automatically focus.
Thus, this yin god of the Tianyang