C843 [a Powerful Enemy!]

Clang!

Confronted with a challenge letter sharpened like a dart and imbued with dense spiritual energy, Guu Tianyi raised his hand and swung fiercely, eliciting a crisp sound akin to metals colliding.

The letter then transformed into a blur of afterimages, curving sharply over ninety degrees before Guu Tianyi and shooting off in a new direction, striking the wall of the Eternal Imperial Palace