Constellations Beneath the Earth

As long as the extraction problem could be solved, turning the Sky Sheath Shards into weapons... could truly become possible!

Although Tundra Prison was littered with a great deal of explosive debris, without host bodies to parasitize, these Sky Sheath Shards had now lost their vitality and could not be used.

So the remaining raw materials were on these escaped prisoners.

Next, Nagano would launch the Encirclement Mission—

"Excellent! All criminal corpses from here on will be handed over to you." Old Master Gu's eyes shone brightly as he slapped the table and rose, completely forgetting that the original purpose of this manhunt had been to capture these criminals and send them back to prison.

Now, these people who deserved to die could truly die.

Killing them would allow the extraction of Sky Sheath Shards!

That was far more meaningful than sending them back to prison to harvest mental computational power!

"No problem."

Gu Shen smiled as well. Sky Sheath Shards were hardly the only valuable things on these criminals!

He happened to need a large amount of source matter... Hmm, with this mission, he could refine Sky Sheath Shards and absorb source matter at the same time. Killing two birds with one stone!

"It's just... can these shards only be stored in 'black silver'?"

Old Master Gu frowned, having thought of a problem.

Black silver was not an easy material to acquire.

Even someone like him could not guarantee that he could obtain a sufficient amount of black silver in a short time.

If they downgraded the material, the Sky Sheath Shards might lose their vitality.

"I have a way."

Gu Shen said in a low voice, "I have a channel through which I can obtain enough high-grade Mithril."

"Oh?"

The more Old Master Gu looked at Gu Shen,