With Full Comprehension Level, from Waiter to Immortal

When he woke up, Yang Xiao traveled to another world and became a waiter at the lowest slave shop in the Suzaku Tower of the Dayan Dynasty, as humble as dust. Fortunately, his understanding is at full level, but he has no foundation in cultivation and his qualifications are mediocre. In this world, immortals and demons coexist, nations compete for hegemony, and martial arts flourish. But the Zhuque Tower, located in the capital of the Dayan Dynasty, is a rare pure land. Yang Xiaogou hid his name in Zhuque Deep, sharpened his sword for sixty years, and watched with a smile as the spring moon and autumn wind passed by, and the tides rose and the clouds fell. Sixty years later, the demons broke through the city and rained blood! When the Sixth Princess and Emperor Dayan knelt in front of the Suzaku Tower, crying for help, millions of lives were in danger. A sword soared into the sky from the Suzaku Tower. The sword energy is a hundred thousand miles away, and with one sword, Jiuzhou is cold!