Yakuza: Like a Dragon Stat Boost Set sisältää kuusi ominaisuusarvolisäpakettia.
Personality Enhancement Packissa on kirjoja, jotka kasvattavat Ichibanin luonnetta: Between Thrill and Passion x3 (Passion) Think and Grow Confident x3 (Confidence) The Poor Zoo x3 (Kindness) You, Unleashed x3 (Charisma) Special Theory of Relative Brutality x3 (Intellect) Street Dandy x3 (Style).
Main Job Assistance Pack nostaa kunkin hahmon pääammatin arvoa: Versatility Manual x1 (Freelancer) Bravery Manual x1 (Hero) Wanderer Manual x1 (Homeless Guy) Justice Manual x1 (Detective) Assassin Manual x1 (Hitman) Underworld Manual x1 (Gangster) Food Service Manual x1 (Barmaid) Bureaucracy Manual x1 (Clerk).