[Fool! Here you must use red gold stone mixed with magic stone powder to draw a double-layer rune circuit!]
[Tell me, where did the red gold stone on the configuration list go?]
Holding the Yellow-covered Book, Xing Huo explained, "The red gold stone's role is just to enhance the effect of the magic stone powder, so I replaced it with silver history stone; the effect is about the same."
[About the same?! The magic power conduction efficiency is lower by a whole thirty percent!]
[If there's an error in the city defense array, I'm the one who'll be held accountable!]
However, Xing Huo was also troubled: "But our territory doesn't produce red gold stones at all; this stuff only has veins in the Empire and the Mountains. A small purchase is manageable, but to support the entire Fungus Castle's defense array... where am I supposed to get it from?"
[Trade! Smuggling! Do I have to teach you these? How can you be dumber than Norris, what's the point in keeping you around?!]
...
