Nightmare Swordmaster

The century-long war ended, technology waned, but martial arts flourished. The world revered martial arts masters. An ordinary, unambitious youth accidentally enters a wondrous dream, acquiring countless unheard-of sword techniques and body skills. From then on, he embarks on the path to becoming a martial arts master. Serpent's Bite, Sharp Claws, Bee's Hum Octave, combo sword skills from Sword Art Online. Strong Force La, Lion's Song, Thirty-Six Annoyance Winds, the domineering sword techniques of the great swordsman Roronoa Zoro. Six Powers, Life Return, Haki, skills from Rob Lucci, the strongest in the world.