Does the Inferior Spiritual Root Affect My Invincibility with the Sword?

"Systemless, sickly, and invincible with swordsmanship." A thousand-year sword body becomes a saint, and a ten-thousand-year sword body becomes an emperor. Xiao Lang, who was born with inferior spiritual roots, originally thought that he was a complete garbage in cultivation. It wasn't until one day that the empress took him into her boudoir and awakened the million-level sword god body. A ray of sword intent scared the two great emperors, and he realized that other than himself, everyone else was the real garbage in cultivation...