"Flame Dragon Kingdom is known as the forbidden ground of sect powers, and this title is because of the Hellfire Mercenary Corp."
Mu Lisi narrated, "Fifty years ago, the Hellfire Mercenary Corp had tried to stir up trouble in Flame Dragon Kingdom. At that time, Flame Dragon Kingdom was not yet called a forbidden ground."
"But it was in that incident that the Hellfire, already known as a god-level mercenary corp, suffered heavy losses in Flame Dragon Kingdom. It is said that only a few people managed to escape, and the rest all perished in Flame Dragon. It was because of that battle that Flame Dragon was listed as the forbidden ground of sect powers, and since then, the Hellfire Mercenary Corp faded from public view!"