Deep inside the tunnel that led to the Igrum steel mine, the charred walls had hardened intensely after being exposed to extremely high heat for a few minutes. The rocks in the walls had an impressive heat resistance level, which was why they birth Igrum steel ores. This was why it solidified rather than melting due to the high heat.
Even after the explosion, the entire tunnel was still intensely hot, reaching at least 200°C in temperature; this was enough to turn water into steam within a second.
*Crack*
*Bang*
At one edge of the wall, there were a couple of stones piled. The stones were pushed from the inside, falling off and crumbling the pile as a silhouette came out from it.
"Damn, I almost died back there. I really shouldn't try stuff like this again."
[1] four weeks make a month, although in truth its a bit above that.
Big discounts in privilege. Check auxiliary chapt for more info.