What happened at the end of ichi the killer?

At the end of "Ichi the Killer," the violent confrontation culminates with Ichi killing Kakihara, the sadistic yakuza enforcer. After their intense battle, Ichi, who struggles with his own identity and motivations, seemingly finds a sense of peace but is left questioning his actions. The film concludes ambiguously, highlighting themes of violence and the psychological complexities of its characters. The ending ultimately leaves viewers pondering the nature of Ichi's true self and the cycle of brutality.