Most of the world's coastlines appeared on maps as the Age of Exploration drew to a close.
With the accumulation of geographic information and advancements in printing technology, the era arrived when anyone could sit at home and purchase a world map.
This facilitated industrialization by promoting the movement of people and goods.
However, its impact wasn't entirely positive.
Around that time, there emerged a group known as "explorers," who roamed the inland territories beyond the coastlines.
Despite their romanticized name, they were essentially nothing more than bandits.
Armed with weapons, they ventured into unmapped lands to plunder their inhabitants, technologies, and artifacts.
One of their primary targets was mysterious creatures like fairies and spirits.
They roamed the waters near Jormungandr, targeting lone fairies and spirits wandering away from their groups.