After a celebratory feast, Huo Hai waited at the frontier for three days. Over those three days, he saw exactly how these people built their own Frontier Fortresses. Groups of experts quarried stone from the surrounding area, then ground it smooth.
Afterward, the stones were piled up from the trenches dug at the beginning, like building blocks. Before long, the outline of a city had taken shape. Even their own living quarters were built in much the same way. In the end, a Spirit Venerable proficient in the Earth Attribute made a move, fusing all the stones into one whole. Just like that, a fortress was complete.
There was not even a Sect-Guardian Grand Formation specifically meant for defense or attack, much less anything remotely refined. Only a place like the Southern Region, where Earth Attribute experts were abundant, could establish such fortresses so easily.
Among the other major factions, Earth Attribute experts were actually quite rare. Everyone knew that the Earth Attribute possessed formidable defense, but its offense and speed were lacking. Unless someone enjoyed close combat, they were naturally at a disadvantage.
Most importantly, when one's strength was relatively weak, one could only ensure an increase in power while standing on the ground. Yet once one reached the Spirit Emperor Realm, everyone could fly. Within the Spirit Emperor Realm, Earth Attribute experts were at an absolute disadvantage when facing other experts. Only after reaching the Spirit Emperor Realm could this situation be alleviated somewhat.
Aside from the Southern Region's exceptionally martial culture, as well as the influence of the Earth Giant Race within the Gold-Earth Sect, Earth Attribute experts were scarce in other regions. During these three days, Huo Hai had also gained a deep understanding of the Southern Region's overall situation.
The Southern Region's borders were gathering