Story that the street berserk its name to subject.

Dark fantasy to try to kill a friend of the hero has stopped the man.

Depiction is an extremist.

http://www.amazon.com/
Berserk-Vol-1-Kentaro-Miura/dp/1593070209/ref=sr_1_1?ie=UTF8&qid=1449826720&sr=8-1&keywords=Berserk