The Tier classifications for Demons are currently determined by experts from the intelligent races, who categorize them based on their threat level.
In terms of overall power, there isn't a significant difference between a Tier Five Monarch and a Tier Four Nation Destruction Level.
However, a Tier Four Nation Destruction Level's destructive capability against groups, nations, cities, and armies is often far greater than that of a Tier Five Monarch Level.
Research on Demons is still far from complete.
To this day, many Scholars and biologists continue to study the characteristics of Demons.
For now, classifying them by name based on their potential for destruction is the most widely used method on the continent.
With this naming convention, one can often discern the scale of the disaster they represent from their name alone.
Tier Four Nation Destruction Level: Capable of causing a nation-destroying disaster in the absence of Level 5 Adventurers.
