The World's Highest Martial Arts: The Rebirth of Zhao Lei

Zhao Lei travels to a world of high-level martial arts, transforming into a second-generation martial artist. His father is a fifth-rank martial artist, and he himself began at the second level of bone hardening. Not only that, but he also possesses the same system's blessing. With such a top-tier start, am I not as good as Fang Ping? Humanity, let me save it! Watch as I blast the immortal source with a single sword strike!