“The Iron Demons… came to Yukon?” Xerxes froze.

Compared to Alex, who came back a short while ago, Xerxes was way more familiar with the Iron Demons. Everyone who entered the Undead Territory had their cultivations sealed back then. Hence, the rest of America became the pioneers.

Everyone in Flying Eagles Academy and those who learned the Ksitigarbha's Ten Wheels Earth Incantation turned into their finest warriors.

Iron Demons were hard to defeat, but they did, in fact, have a weakness. They were being controlled by someone much weaker. If they could get past the demons and kill the person controlling them, winning would become easier.

For twenty years, people in America have come up with several ways. Some students in Flying Eagles Academy were able to take some Iron Demons as their own too.

With research on their body parts, they were able to gain some knowledge regarding the Iron Demons. Some even gained access to the Iron Demon’s controls, using them to fight back against Eng