Weapons

Introduction

Weapons in Grand Blue range from the basic Cutlass you buy on Anchor Town to hidden secret weapons that define endgame builds. Every weapon has its own skills, stats and acquisition route, and the right armament can dramatically change how your fighting style and fruit combo feel. This guide ranks all the known weapons, explains what each one does, and shows you where to buy or unlock them across the islands. Whether you are a swordsman grinding with a Katana, a ranged player kiting with a Slingshot, or a min-maxer hunting the Captain's Claws and the secret weapon, knowing the full arsenal is the first step to building a loadout that actually works in PvE and PvP.

Weapons Tier List

Weapon Roster

Core Mechanics

Weapons follow the same progression logic as the rest of Grand Blue: start with a cheap starter armament, then upgrade through shop purchases and boss drops as you move between islands. Each weapon has its own skill set and stat profile, and the best choices depend on your fighting style — a Novice Swordsman wants fast swords like the Katana or Willow Blade, while a Marksman prefers ranged tools like the Slingshot until the late-game armaments appear. Secret weapons and endgame gear like the Captain's Claws come from hidden or high-tier content, so they are natural long-term goals. The weapon economy also rewards planning: spending coins on the right weapon early saves huge amounts of time later, and boss drops can give you A-tier weapons for free if you farm efficiently.

Advantages

A good weapon is the fastest single upgrade to your combat power in Grand Blue. Moving from a Cutlass to a Katana or Willow Blade turns slow, clunky fights into fluid combos, and the A-tier and S-tier weapons bring signature skills that reshape how you approach bosses and PvP. Weapons are also a durable investment — unlike consumables, your armament persists, so every coin and every boss kill spent on gear continues paying off. Because weapons pair with fighting styles, the same sword can make a Novice Swordsman feel radically stronger while still leaving room to specialize further with fruits and traits, giving min-maxers a deep build space to explore.

Challenges

The weaknesses of weapon progression are cost and timing. The best weapons are expensive or locked behind later islands, so spending coin on a mid-tier weapon too early can delay the unlock you actually want. Boss-drop weapons rely on RNG, which means you can farm for hours without seeing the drop you are after, and hidden secret weapons require solving obscure puzzles or routes. Weapon balance also shifts between updates, so a weapon that tops the meta this patch may lose value after a balance pass, forcing players who over-invested to adapt quickly. Because drop weapons and shops rotate with island progression, the same armament can vary in availability between play sessions, so flexibility in your build matters.

Frequently Asked Questions

Quick Tips