There are many different trophies and achievements that you can unlock within (Y0) Yakuza Zero, one of which is Just Beat It
Just Beat It requires players to complete all of the available Climax Battles. These are usually fully unlocked after completing the story at least once.
They usually range in difficulty too going from rather difficult and requiring strategic thinking to being a piece of cake!
Below is a simple guide that will hopefully help you out with this task!
ALL CLIMAX BATTLES (MILLIONAIRE BATTLES)
ALL CLIMAX BATTLES (MELEE BATTLES)
ALL CLIMAX BATTLES (PROVING GROUND BATTLES)
ALL CLIMAX BATTLES (ULTIMATE BATTLES)
Related Guides / Links: