One Thought: I, the Ancient Sword Body, Can Reach the Sky with One Sword!

No system+Unique personality+Decisive in killing I, Si Jianqing, am an ancient peak powerhouse from the Sirius Star Territory. When the Sirius Star Territory was destroyed, I tried my best to escape. In order to break through the shackles and reach the legendary realm of domination, I traveled across time to find a way to break through. Thousands of years passed, and everything went smoothly until, tens of thousands of years later, I came to a long river of time called the Tongtian River. After reading this long journey of time, I actually realized how to make a breakthrough! But just when I thought I was about to break through, I accidentally fell into this long river of time called Tongtian River, lost all my cultivation, and was eventually picked up by a girl... ……… I, Du Lingfei, am the most powerful Taoist in Tongtian Continent and the daughter of Lord Tongtian! He was ordered to investigate the whereabouts of Blood Ancestor and Han Nu, and lurked in a sect called Lingxi Sect in the lower reaches of Tongtian River. While out on a sect mission, a half-naked man fell from the sky. When I subconsciously wanted to get closer, he suddenly woke up. Wait a minute! Why is he pointing the sword at me? Could it be that he wants to chop me! But soon, he passed out due to serious injuries and exhaustion. I brought this man back to Lingxi Sect. … I found that although this man was as fair as jade and had a good temperament, he seemed to have some brain problems and liked to talk to the air...