Within the Melted Ruin Realm, generally speaking, the Heavenly Eye was everywhere.
In other words, if you had enough money, you could instantly have whatever someone had done in a certain area clearly displayed.
As for the so-called Saint Thieves, everyone knew perfectly well what they did. Once discovered, they would be reported straight to the law enforcement department, followed by a warrant for their arrest. If you dared resist, then it would come down to whose methods were superior.
However, as stated before, one needed to be wealthy enough to apply for the Heavenly Eye. In most cases, many Sect forces simply did not have the money to apply for the Heavenly Eye. It was far too expensive.
Just look at the battles now within the Nine Heavens. The Heavenly Eye was used in places like that, places that could bring enormous returns, not on the theft of ordinary treasures.
If the money you spent applying for the Heavenly Eye was countless times more valuable than the treasure you had lost, then what was there to apply for?
Moreover, the Heavenly Eye's abilities were divided into several types: vague observation, precise observation, precise lock-on, minute lock-on, Delusion Breaking lock-on...
Each tier cost a separate sum, and you did not know which tier of the Heavenly Eye could lock onto the thief. It was like the Sky Sun Sect's Yin Spirit, formless and intangible, with a layer of spiritual power outside the Yin Spirit as well.
Ordinary Heavenly Eye observation truly could not see it clearly. You might have to spend a great deal of wasted money before you could lock onto someone.
And on ordinary days, the Heavenly Eye only vaguely covered the entire Melted Ruin Realm; it did not truly capture everything. At most, when powerful energy fluctuations