If indeed there was such a thing, the Li Family would have already brought it out to enhance the family's power, how could it be left gathering dust?
In his mind, he revisited the "Hell Dao White Visualization Map" he saw at the Cyan Nether Merchant Association.
The dense black unknown slab, the mysterious and lifelike drawings, made him easily associate it with something he had seen in science columns before his transmigration ———— the event horizon.
The so-called event horizon refers to the screen forever left on a certain layer of a black hole, only because slightly deeper light cannot escape, thus the image is permanently fixed.
This visualization map really resembles some ancient scenes left in the "event horizon".
When Song Yan walked out of the Secret Treasure Vault again, he saw a Profound Robe figure standing there, Han Lingzi stood under the eaves, gazing at him with both obsession and concern.
