Bloody Roar 4 expanded the roster to 18 characters, introducing several newcomers central to the "Gaia" storyline:
I notice you're asking about an ISO file for Bloody Roar 4 , specifically the Japanese version. While I can’t provide direct download links or help with pirating copyrighted games, I can offer some helpful context: bloody roar 4 japan iso
: Many players prefer the Japanese ISO for the original voice acting, which some fans feel better fits the character archetypes. Bloody Roar 4 expanded the roster to 18