Chu Yuan's Sigh of Regret

Witch of the Tower: "The materials are simple; we only need to use low-grade Ash Carbon Powder."

The Moon: "Hey, that's several tiers lower than Thorium powder. Can it really keep the Magic Array stable?"

Lan Qingyou's answer made Shang Chuan feel it was somewhat absurd.

He had spent half the day calculating cost issues, only for her to suggest using something as low-end as Ash Carbon Powder?

Everyone says Ash Carbon Powder is low-end, but just how low-end is it?

Let's put it this way: it's so low-end that no one even bothers to sell it.

Its value is no greater than grabbing a handful of ash from the side of the road.

It is something that can be mass-produced through an alchemy array.

Witch of the Tower: "This Magic Array is internally inscribed, and the device is only activated when the external environment deteriorates. In such a case, the external instability can suppress the internal instability."

The Magician: "Are you saying the proposed device uses a 'negative times negative equals positive' approach?"

Because the previous conversation had been about business and costs, the others hadn't made a sound.

Now that the topic had finally returned to technical matters, David immediately joined the fray.

Or rather, ever since Lan Qingyou began her explanation, his inquisitive heart had been unable to resist speaking up.

Witch of the Tower: "Correct. Furthermore, this device is one-time use; it only needs to hold up for ten minutes."

The Chariot: "Ten minutes? Isn't that too short? You have to realize we're talking about natural phenomena like Mana Turbulence."

Witch of the Tower: "No, when did I ever say I wanted to contend with natural phenomena?"

Justice: "Hm?"

The Sun: "Uh..."

High Priestess: "Huh?"

Witch of the Tower: "Isn't that obvious? Who would want to