Dungeon race

"Do you know where it comes from?" Eldrida continued to inquire.

"They seem to all come from a certain race, and they refer to someone as their leader... what was it... Supreme King?" Alexander said.

"Supreme King?" Eldrida's expression changed.

"What? Have you heard of it?" Alexander asked, surprised.

"Yes..." Eldrida stood up, her expression solemn, and said, "After I came to Enchanted Haven University, I met a friend who once told me a legend."

"Every creature, after death, its remains will be buried underground. Most of these creatures slowly turn to ash, a few become fossils... and a very few, due to heavy resentment before death, their souls do not disperse, and over time, they revive... becoming extremely ferocious monsters."

Isn't that the underground creatures?

Alexander listened with interest to Eldrida's narration.