Immortal-Slaying Sword

Inside the Secret Chamber in Immortal Mansion Spirit Mountain.

After seeing that only a few points remained under Spiritual Power Value on the panel, Cheng Buzheng couldn't help sighing.

"No wonder even the exceptionally talented Supreme Emperor Divine Axe failed to discover a way to refine Spirit-Devouring Immortal Gold back then. It really is far too difficult.

"Otherwise, he wouldn't have left this treasure in the Myriad Treasures Pavilion, hoping that someone in a later generation would fulfill his final wish."

He had spent nearly five hundred thousand Spiritual Power Value without seeing even a glimmer of hope. It was only natural that he felt disappointed.

Even now, with Spirit-Devouring Immortal Gold as the main material and numerous Spirit Materials as supplements, the fusion progress hadn't budged at all, let alone reached the required standard.

"Could I have to start with first-tier Spirit Materials?"

Cheng Buzheng asked himself.

There were far more kinds of first-tier Spirit Materials than all the second-tier Spirit Materials, Heavenly Materials and Earthly Treasures, and Heaven and Earth Rare Items combined.

He didn't know whether the nearly 4.5 million Spirit Stones he had left would be enough.

At the thought, Cheng Buzheng couldn't help feeling a headache coming on.

Then.

Cheng Buzheng left his Cave Mansion and bought a large number of Magic Tool blueprints.

A day later.

He returned to the Secret Chamber. He had taken in every commonly available Magic Tool refinement blueprint on the market. His wealth had shrunk a little as a result, but the expense was still within his means.

In the Secret Chamber, Cheng Buzheng took out another pile of mid-grade Spirit Stones.

His Spiritual Power Value reached five hundred thousand once more.

A hundred times,

a thousand times,

ten thousand times.

After countless day-and-night attempts, each ending in