The Material Economy
Unlike other One Piece games where fruits are everything, King Legacy has a robust Material Economy. Items like HD Tails (from Hydra), Sea King Fins, and Gunpowder are essential for crafting weapons and fighting styles. A single HD Tail can be worth more than a mid-tier Legendary fruit. Farming these bosses is the most reliable way to build wealth.
Legendary Fruit Tiers
Dragon and Dough sit at the top of the fruit hierarchy due to their massive damage and Awakening potential. Toy and Phoenix are high-tier utility/healing fruits. Gravity and Paw are often considered low-tier Legendaries used as "adds" in trades. Don't trade a Dragon for a bunch of low-tier Legendaries unless you are getting a significant overpay.
Sea King Farming
Sea Kings spawn in the Second and Third Sea. They drop rare chests which can contain fruits, and materials like Sea King Fins. Joining a "Sea King Hunt" server is highly recommended. The drops are individual, so you don't have to fight teammates for loot. The chest drop from a Sea King is one of the only ways to get the Acros Sword, a high-value trade item.
Accessories Matter
Accessories like the Muramasa or Authentic Triple Katana provide significant stat buffs. These are obtained via crafting or drops. While some are untradable once equipped, the materials to make them are always in demand. If you have a surplus of materials for a popular accessory, sell them as a "kit" to players who want to craft it instantly.
Game Pass Trading
King Legacy allows you to trade Game Passes (like Fruit Storage or Legacy Pose). These are high-value items bought with Robux. Trading a Game Pass is the fastest way to get a top-tier fruit like Dragon or Dough if you don't want to rely on RNG or grinding.