Probably Berserk , Very few issues with this series bother me. It is not for anyone who are easily offended because it can occasionally be really dark and brutal. Everything else is fantastic. The protagonist [the real Black Swordsman] is perhaps the most human one you will ever encounter because he is an anti-hero who occasionally commits cardinal sin and does not always have a perfect moral compass. Despite this, he persists in moving forward, enduring excruciating pain and suffering, but never giving up. He is a symbol of humanity's greatest and worst qualities, existing not for some lofty ideal but rather for those he loves about and to live. He's probably suffered the most of any anime character, yet he still finds it funny..