Xia Fei was abnormally calm. Fifteen thousand meters per second was way faster than his usual speed, but his legs still had more strength! He had yet to unleash his latent power fully!
"Seventeen thousand! Seventeen thousand meters per second!
"Eighteen thousand!
"Nineteen thousand!
"Twenty thousand! You're already double your past speed! You're getting closer and closer to Legendary rank! Keep accelerating!" Phantom bellowed. As Xia Fei continued to accelerate steadily, Phantom felt as if he was the one running.
The scenery on both sides rushed past—no, flew past!
The joy of traveling at extreme speeds was impossible to describe. It felt as if the entire world was under one's control. The old saying about running a horse to death while trying to get to a mountain was about how something that seemed close by actually required a great deal of effort to reach.