An era where dreams and courage, power and desire are intertwined. This is a big world full of turbulence and transition. The situation of the three major empires in Eurasia is changing. The rise, the black-clothed Dashi Empire that has just changed dynasties, the division and turmoil of the Byzantine dynasty, and the seeds of the split between Catholicism and Orthodox Church are brewing in the decline. Muslims in the Iberian Peninsula attacked Gaul, Tang and Dashi competed for the Zhaowu War in the Great Western Region, The Frankish dwarf Pepin established the Carolingian Dynasty, welcomed back the escaped pope, and used Rome as the capital of the religion to dedicate the land, and used fire and sword to eliminate the heretics of other beliefs from the spirit and body. , victory or defeat, rise and fall, or enthusiasm, or sighing, all kinds of desire to join in it. Looking back now, there are countless heroes who have brilliant experiences, but there are also too many regrets. History is created by accidental and inevitable causal cycles. But all of them show the cruelty of history And irresistible. But at the same time, it is also found that in many times in history, maybe, as long as, or if there is a chance, it can change a series of inevitability that will happen. Liang Xiao, who appeared inexplicably at the end of Tianbao's year, is such a coincidence