In this game, players can see quite a few achievements, and some of them are hidden achievements. If obtained, they naturally provide a lot of assistance to the players. How should one obtain the One Piece Ambition achievement? Interested friends can take a look at the following introduction. As long as the following methods are mastered, rewards can be obtained.

“He is here”: In the recruitment system, if a player gets a full red-quality partner card for the first time, the hidden achievement will be triggered immediately, and this hidden achievement grants a Red Den Den Mushi.

“Great Navigator”: This hidden achievement is relatively more troublesome. It can be unlocked by accumulating nearly 3000 stamina points. Once unlocked, it grants Luffy's Spiky Hair with bonuses to vitality and defense attributes.
“Dialing Master”: This hidden achievement is completed in the recruitment system by reaching approximately 300 cumulative attempts.
Polar Bear-related: Players entering the squad adventure can unlock corresponding achievements directly if they score 30 points.

Fishing-related: There are specific restrictions when fishing, such as catching larger-sized Green Shellfish or Blue Shellfish. Under these conditions, hidden achievements can be quickly unlocked.

Another way is to enter the shop and purchase items. As long as the variety of goods reaches 154 items, a hidden achievement can be obtained, which is Nami's Queen's Baton.

After reading the above introduction, players already understand how to obtain the One Piece Ambition achievement. Each method is different, so players should choose a suitable method after comprehensive analysis. Every different achievement offers different rewards, so interested players can take a look.