Practicing Qi for 100,000 Years: I Was an Immortal in the Tang Dynasty

I thought that when I traveled back to modern times, I could rely on a hundred thousand years of practicing Qi to cultivate my power and move across the city. Unexpectedly, the artifact went wrong, and when I opened my eyes, it was actually the first year of Zhenguan. I wanted to live a low-key life, but my spiritual power during the Qi training period was too strong. I was caught on the spot by the emperor when I casually used the cloud-making rain technique. The civil and military officials in the court shouted: "Welcome the gods to the earth!" What's even more outrageous is that on the day when the Turkic army came to the city, he threw a basic fireball skill - the entire grassland burned for three months and was still not extinguished...