C1409 CHAPTER1409
Orc Empire Rhein Line.
It was a defense line that relied on the Great Rift of the Frost Plains.
There were many cracked pieces of land on the Frost Plains, which became the natural defense line of the Orc Empire. It even saved them from digging ravines.
This might be the simplest and most effective way to deal with the weak and intelligent Undead. Even with the help of the Lich