Immortal and Stepping into the Sky

Five hundred years ago, the emperor-level warriors who reached the peak of the Yunchen Realm shattered a continent in order to compete for a treasure. Both the continent and the treasure were sealed. People in later generations do not know the outcome of that peak battle. They only know that the people who participated in the battle never appeared again. Over the past five hundred years, the concentration of spiritual energy in Tianzhao Continent has been slowly increasing. Now monsters are rampant and various ancient ruins have emerged. . . The cause of the original war was gradually revealed to the world, which also meant that the Tianzhao Continent was once again in chaos. Where were the top experts from that war, and why was the entire Tianzhao Continent sealed?