How Come Your Human Emperor Flags Are All Filled with Japanese?

[Imagination + Anti-routine + Invincible Flow + Merit and Sainthood + Demonic Cultivation + Sofa Decisiveness! Ye Xuan traveled through the Yu Dynasty and became a demonic evil cultivator that everyone wanted to beat. Holding a broken natal soul flag, he was chased by Zhengdao until he was cornered. In desperation, he had no choice but to flee overseas and came to a small place called "Fuso". The folk customs here are cruel, demons are rampant, and there are even "Amaterasu", "Tsukiyomi" and "Susano'o" who are known as the eight million gods. Ye Xuan smiled: "What god? This is obviously the best ghost and wronged soul!" Then, Fuso's nightmare came. In order to repair the soul flag, he slaughtered gods and ghosts, and refined all Fuso's so-called Gaotian original divine elements into the flag! Xiao Zhantian, King of Zhenbei, who was tricked into entering the banner: We agreed to let me enter the Imperial Banner, but why are the banners of yours full of Japanese? ! Three years later, Ye Xuan cultivated into Yuanying and returned to Dayu holding the Ten Thousand Soul Banner. The righteous monks once again gathered to eliminate demons and defend the Tao, but they were shocked to find: On top of that dark and gloomy soul flag, billions of feet of golden light of merit burst out! Heaven descends with auspiciousness, and the earth surges with golden lotuses! Righteous giant: Why does his soul flag glow with gold? Why can he become a saint even if he kills people?