The night was deathly quiet.
"Little Ninth Sister, Little Ninth Sister, missing an arm and a leg." Humming the ridiculous lyrics he had seen online, Lu Yibai returned to his room after eating his fill.
Tonight, he would try using the Demon Core to temper his Spiritual Sense and thereby cultivate his Innate Divine Ability—Soul Nail.
For Night Watchmen, not everyone could awaken their Innate Divine Ability upon reaching Second Rank. As a useless spirit body, Lu Yibai had managed to unlock a new ability so quickly not only because he had worked hard, but also because he had enjoyed a bit of luck.
He guided his Spiritual Sense into the Demon Core, and an intense suction force immediately appeared.
As expected, the Demon Core was a dead object. It had already been stabbed once, yet it actually hadn't learned its lesson!
It sucked at Lu Yibai's Spiritual Sense with tremendous force, while Lu Yibai resisted with all his might.
After going back and forth like this, he felt that his Spiritual Sense had indeed improved.
Although the improvement wasn't much, a little progress every day, multiplied by 365, would still become considerable.
At the very least, this meant that his Innate Divine Ability could slowly evolve. He could completely rely on cultivation to take it a step further.
Under the Demon Core's powerful pull, Lu Yibai could no longer endure it. His Spiritual Sense transformed into a Soul Nail and stabbed hard. The demonic power within the Demon Core immediately retreated like a tide.
He could feel his Soul Nail growing more condensed, but at the same time, the black light radiating from the Demon Core had dimmed slightly.
It was obvious that the Soul Nail could do more than attack another person's Spiritual Sense. If the opponent was