Berserk revolves around Guts, who comes to be known as the Black Swordsman and a mercenary who travels around. He works for money, shifting allegiance to those who offer him more money. This is until he finds the Band of Falcon and mercilessly kills many of its members.
Rurouni Kenshin (January, 1996-September, 1998)
The television anime series Rurouni Kenshin is indubitably one of the best classic anime ever. In the wake of the Bakumatsu era, Hitokiri Battousai terrorized Japan as a feared assassin. However, he suddenly disappeared during the Japanese Revolution, although his terror still shook war veterans.