"Did it fail?"
"Mm."
"No rush. This Hidden Dust Sand has reached Third Order Completion. It can withstand your tinkering. Just try a few more times."
"That is all I can do."
That day, the above conversation came from within the ship's cabin.
Luo Chen pressed his thumb to his brow and rubbed it continuously.
For even a cultivator whose Divine Sense rivaled the Late Stage Golden Core to feel so exhausted, it was clear just how mentally taxing it was to weave mana circulation routes into the Hidden Dust Sand.
The reason it was so difficult was not merely because Luo Chen's methods were still shallow. It was also because Han Zhan himself had never cultivated the Essence Core Technique and could not provide Luo Chen with detailed guidance.
He could only feel his way forward step by step.
Still, just as Han Zhan had said, fortunately this Hidden Dust Sand was of an extremely high grade and could endure his tinkering.
Had it been ordinary Tier 3 Hidden Dust Sand, it would have been ruined after at most two attempts. Setting aside the cost, the effort expended alone would not have been worth the loss.
Luo Chen slowly exhaled a breath of turbid air, and the fatigue in his mind seemed to ease somewhat.
Next, he needed to rest properly for a while.
To carve a complete mana circulation route into a foreign object, and even make it run smoothly without obstruction—the difficulty was self-evident. Thus, after every failure, Luo Chen would rest for some time, conserve his strength, and prepare for the next attempt.
However, this time, Han Zhan finally could not hold himself back.
"The energy inside the Hidden Dust Sand has all been absorbed by you already, hasn't it?"
Luo Chen raised a brow, the