In the early days, the Zero Point Continent was originally divided and occupied by three tribes. They were the Northern Ice Emperor, the Southern Lihai, and the Eastern Qingxue (a somewhat weird country name... Squirt). After the war and a series of political struggles, the three leaders discovered that the long-term war had only led to the country becoming increasingly poor, the continent was devastated, and the people lived in poverty.
But the three of them were unwilling to recognize each other as the emperors of the continent. Finally, they came up with a way to counterattack and were willing to jointly support the patriarch of the Yagami family, known as the son of God, as the emperor, and they were still the kings of their own fiefdoms and had their own independent rights. This was the origin of the Zero Point Empire.
As a result, the three leaders swore an oath at the foot of the Hand of God's Holy Mountain. They would no longer compete for the emperor's position on the mainland, and were willing to jointly support the son of God as the emperor.
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There are many CPs in total...
Main 82/AO/TF
Tsumayuki/Yagikiri/etc...