"The true ruler, as we call him, is the first person to become a ruler of the underworld. His plan was to control the entire kingdom and get a puppet ruler yet the oath with the first king prevented him from doing that.
The oath he had the first time bound him for the rest of his life. Every time there would be a new king, he would be forced to have the same oath with him. However, the true ruler was one of the first archmages of the kingdom and devised a spell to shift bodies.
However, even that didn't do anything. He was forced to switch bodies and go around that way for years until I met him." Hayden sighed before continuing.
"Once he met me, he realized that something about me was different as though I was a complete outsider. But when he entered my body, I realized how odd it sounded. Hundreds of millions of humans suddenly appearing on the continent out of nowhere.