Comic book serie : Fist of the North Star

Freed from his captivity in Cassandra, Toki reveals the secret of the prison to Kenshiro. The City of Wailing Demons was established by Kenoh in order to gather and confine martial artists in order to steal their secrets. But Kenoh is not just another wasteland warlord-he is none other than Raoh, brother of Kenshiro and Toki, who once contended for the title of successor to Hokuto Shinken! It's not long before Kenshiro and Raoh cross paths again and continue a deadly struggle that started long ago...