Essentially, Amis Dust is nothing but the crystallized ember remnants left when an illusion dream burns out under the Purple Moonlight.
Prior to this, it had undergone a near-total conversion of power during the Great Sacrificial Rite.
Although it seemed that a large amount of Amis Dust was produced at once, it came at the cost of the residents' irreplaceable essential nature of dreams.
This allowed Anvis to obtain tens of thousands units of Amis Dust in one go, but once the dream realm completely dissipated, no more Amis Dust could be produced on the island.
.….….
The Rai Temple in the real world is obviously much more ruined than the one in the Dream Realm.
Under the soft white radiance of the Candlelight Technique, the massive ancient granite columns were slanting and fractured, and the strangely overlapping pyramid-like structures at the top of the temple had mostly collapsed.
The patterns on the mural paintings on the walls had long been blurred by the flow of time.