Recently, he had been searching the markets for incomplete ancient books, trying to learn more about the past of the Lost Continent.
He had a conjecture. During the ancient war between the Lost Continent and the Qingqing Continent, there must naturally have been tens of thousands of cultivators crossing between realms.
If the grand array truly required a massive number of high-grade spirit stones every time it was used, or even supreme-grade spirit stones, then even powers like the Primitive Devil Race and the Qingqing Continent might not have been able to afford it.
Moreover, the war had continued for a long time. Both sides needed an endless stream of reinforcements and supplies sent in and out, making the whole matter seem unreasonable.
That war simply could not have lasted for such an immense span of years.
Then there should have been a "passage" like the fissure at Yin Devil Cliff. Once opened, it would allow cultivators to travel back and forth with relative "ease."
Of course, this "easy" transport was only relative, but the amount of heavenly materials and earthly treasures consumed would certainly have been far lower than that of a cross-realm teleportation array.
Nor would Golden Core Realm cultivators need Spirit Transformation cultivators to protect them. Otherwise, even if every Spirit Transformation cultivator were thrown into the passage and worked themselves to death ten or a hundred times over, they could never have escorted such an enormous number of cultivators across.
This conjecture had finally found some support in an incomplete jade slip.
"...after the campaign ended, only one array was left as a bridge, allowing cultivators to travel freely. Thus, all sects of the Lost Continent gathered together, with techniques and spells blooming in profusion, ushering in a golden age of cultivation. Most of them crossed