phenomen a book

The world was once unified, the rule of the world Emperor was iron clad and seemed as though it would last forever, However he disappeared, Leaving a grand quest for his three sons, but instead of going on this quest two of the sons devolved into war, Carving out Kingdoms and empires to rival each other, however the third son did not want war, so he puled a massive wall from the ocean, separating his brothers, and declaring it a neutral zone,