Pirate Yakuza in Hawaii's treasure hunting may be a worthwhile side activity, but it's much more than just an extra bit of content.

Like A Dragon: Pirate Yakuza in Hawaii certainly has its fair share of strange mini-games, but the most difficult of all may very well be the exams at the Ounanara Vocational School in East Hawaii.

From side quests to shops, these are the best ways to get powerful rings for Goro's lonely digits as early as possible.