"Don't worry about that. Since I promised Lin Dong, I'll naturally keep it secret."
Hearing his reminder, Lin Chen also guaranteed, "I'll talk to my little brother in a bit."
If Lin Dong had not currently been busy helping Lin Xiao mine the Yang Yuan Stone Mine, the two of them would definitely have been cultivating martial arts here in this Mental Space.
"Come with me. The Spiritual Grinding Mill is this way."
The Heavenly Demon Marten had only given a reminder; he did not think Lin Chen and Lin Dong would be stupid enough to let that kind of situation happen.
He was extremely fast. In the blink of an eye, he leaped into a dark corner and vanished.
Lin Chen paid attention for a moment, then followed him directly.
After a flash of white light, he opened his eyes again and had already arrived in a new Mental Space.
Two enormous crystal millstones appeared before him, constantly rotating there. An indescribably special fluctuation rippled through the place, making the surrounding space seem somewhat distorted.
"This thing is called the Spiritual Grinding Mill. Just as the name implies, it takes your Spiritual Power, crushes it over and over, restores it, then repeats the process countless times, all to temper your Spiritual Power."
The Heavenly Demon Marten chuckled and said, "If you want to use the Spiritual Grinding Mill to raise your Spiritual Power, it isn't that simple. You need to endure it with a strong will. If you can endure it, then you succeed. If you can't, then it's over. It'll leave you with severe aftereffects, and I'm afraid you can forget about improving in Spiritual Power for the rest of your life."
Cultivation itself was never smooth sailing. It required constant effort and bitter hard work.
It was