"Northern Frontier..."
"Come to think of it, this wasn't the first time he had come across items related to the ancient peoples of the Northern Frontier."
Zong Shen looked thoughtfully at the ancient bronze key in his hand.
Based on his understanding of the current geography of the Endless Continent, the northern lands fell under the rule of the Vigia Kingdom, but the Northern Frontier encompassed far more than that.
In fact, the Northern Frontier was vast, accounting for nearly one-fifth of the continent's total area.
The Wall of Despair marked its boundary. Beyond it lay the Everfrost Region, said to be where the Others dwelled.
Countless legends left behind by humanity's ancestors could be found there, along with many remains and traces of the Others.
The Others were undead born from the Everfrost Curse. They obeyed the Night King's commands and had once brought the terror of the undead upon the continent.
Yet in essence, they differed from undead monsters such as ghouls and skeletons.
To this day, the Others had not mobilized for several thousand years.
The most recent large-scale war had occurred at the beginning of this era, shortly after the Vigia Kingdom was founded. The human "Little Overlords" of that time had formed an alliance army and, after a bitter battle, repelled the Others. Only afterward were the human kingdoms of today gradually established.
It could be said that the towering Wall of Despair in the north was the best proof of the Others' terror.
It was also a precious legacy left behind by the ancestors.
Besides the legends and stories surrounding the Wall of Despair, Zong Shen had previously obtained a [Three-Eyed Crow's Dream Pearl (Unknown)], which was also connected to Ruins left behind by the ancestors of the northern lands.
Originally, Zong Shen had