"But places with many deaths are plenty."
"In the nineteen provinces of Da Xia, it isn't just Fei Province that has had deaths, and the Hundred Countries are in constant turmoil, with probably even more deaths. So why don't the other eighteen provinces of Da Xia have Evil Wood?"
"The Hundred Countries also don't have Evil Wood."
"Only Fei Province in Da Xia has Evil Wood?"
"I've been perplexed by this problem for a while now, assuming it might be because Fei Province is cold, and so Evil Wood, which everyone uses for heating, grew."
"But—"
"Only when this cave entrance broke did I get the real answer. Why does only Fei Province have Evil Wood? Because enough people have died in Fei Province."
"I have been aggressively buying up Evil Wood recently. I've noticed that anytime I purchase too much Evil Wood from a place, the surrounding temperature would gradually drop a bit. At first, I thought it was an illusion, but then I decided to conduct an experiment."