C1338 First Blade Mastery of the Demonic Saber Technique!

The river of time and space.

Ye Chenfeng held the disillusionment knife in his hand as he practiced "Demonic Saber Technique" one move at a time.

The full name of the "Demonic Saber Technique" was "Chaos Devil Saber Arts". Legend has it that the Heavenly Demon Tribe's founder created it himself