In his previous life, Chen Cheng had seen thermobaric bomb tests before, but none of the test munitions he had seen had ever been this large.
By Chen Cheng's estimate, this thermobaric bomb had an equivalent yield of around twenty to thirty tons of TNT.
This thermobaric bomb truly deserved its title as a conventional nuclear weapon. The destruction it caused and the lethality against the test subjects were likely already comparable to a forbidden spell cast by the supreme powerhouses of this world.
Once the heat dissipated, Chen Cheng took off the soundproof earmuffs on his head and shook the dirt and dust from his body.
"Damn, are you people really trying to get yourselves killed? You actually tested such a huge yield in an enclosed space. Aren't you afraid of blowing this place apart?"
Wisdom Shield likewise brushed the dust off himself, then flashed his gleaming white teeth and said,
"Don't worry. When we built this place, every cubic meter of excavated earth and stone was compressed by the mages of the Magic Research Institute and packed into the four walls here.
"With how sturdy this place is, unless you fire a Dog-Beating Stick in here, I'm afraid it won't suffer any damage at all."
Chen Cheng touched the surrounding walls, then finally spat out one word.
"Monstrous."
After his hand brushed away the dust on the surface, he could feel that the walls here were even harder than steel.
Moreover, to break through the limits of the materials, Wisdom Shield and the others had even mixed in Mithril and inscribed special earth-element Magic Arrays within the surrounding walls.
No wonder Simov had cursed so viciously during the previous meeting.
Just building this underground cavern must have cost an astronomical sum in Gold Coins.
And this was not