Kingdom Hearts 3 (KH3) - How to Obtain the Ultima Weapon Keyblade

Information on how to obtain the Ultima Weapon Keyblade in Kingdom Hearts 3, including the requirements to unlock the recipe and materials required.

Ultima Weapon

What is the Ultima Weapon?

The Ultima Weapon has traditionally been regarded as the strongest Keyblade in the Kingdom Hearts series. It returns in Kingdom Hearts 3, boasting the best stats and abilities among all of Sora’s obtainable weapons.

Ultima Weapon Stats and Abilities

View our Ultima Weapon Keyblade Stats page for a full break down of the weapon’s attributes and characteristics.

How to Obtain the Ultima Weapon in Kingdom Hearts 3

The Ultima Weapon is acquired via Keyblade Synthesis and requires certain steps to craft it in the game. Below are the conditions to obtain it.

  1. Collect 58 kinds of synthesis materials to obtain the Ultima Weapon synthesis recipe.
  2. Collect the necessary synsthesis materials to craft the weapon.
  3. Obtained Ultima Weapon

Below are detailed explanations of how to go about the steps.

Collecting 58 kinds of synthesis materials

When you have gathered at least 58 kinds of synthesis materials, you will receive the recipe for Ultima Weapon as a reward from Collector’s Goals at the Moogle Shop.

Synthesis materials are obtained by defeating various enemies in the game or by purchasing them at the shop.

Gathering the necessary materials

Below is a list of the materials needed to synthesize Ultima Weapon.

Ultimate Weapon Synthesis Materials

Required Materials Orichalcum+ (x7)
Wellspring Crystal (x2)
Lucid Crystal (x2)
Pulsing Crystal (x2)

All materials except Orichalcum can be obtained via item synthesis.

Where to get Orichalcum

Orichalcum is obtained in treasure chests, as well as completing certain objectives in the game. The table below summarizes the method of acquiring all of them.

Location Details
Treasure Chest in The Caribbean In a treasure chest on the heartless island
Treasure Chest in the Final World (from the Keyblade Graveyard) After being transported to the Final World from the Keyblade Graveyard, there will be a treasure chest containing the Orichalcum.
Moogle Shop Postcard Obtain as a random reward using the Moogle Shop Postcard
Goofy Curling Mini Game Reward Complete all medals and talk to Elsa in Arendelle
Flantastic Seven Missions Reward Earn a high score in all Flantastic Seven missions.
Lucky Emblems Reward Shoot 80 Lucky Emblems
Gummiship Defeat the Omega Machine in the Eclipse.

In depth information on how to obtain Orichalcum can be viewed in this guide.

Obtained Ultima Weapon!

Once you’ve gathered all the necessary materials, craft Ultima Weapon in the Keyblade Synthesis menu. Now you’re ready to take on the strongest enemies in the game!

Kingdom Hearts 3 (KH3) Recommended Article List

Popular Guides
Walkthrough Directory Olympus Map and Collectibles
Lucky Emblem Locations How to Unlock Secret Ending
Photo Missions Guide How to Obtain Ultima Weapon
Flantastic Seven Missions Guide Recommended Keyblades
Recommended Armor
Beginning Choices 100 Acre Wood
Post-Game Unlockables
Keyblades / Staves / Shields Armor / Accessories
Magic / Abilities Link Summons
Enemies Bosses
Synthesis Recipes Synthesis Materials
Helpful Guides
Jiminy's Journal Mini Game Guides
AP Boost Locations Treasure Chest Locations
Gold Hercules Dolls Locations Battlegates Locations
Pre-Release Info
Release Date New Worlds Summary
Series Story Summary Voice Actors and OST
Pre-order Bonuses Game Editions

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    • If I remember correctly, it’s the very tiny island just immediately west of Isla De Los Mástiles. It’s the same island that you can find Lucky Emblem 10 at. Can find the chest in a little grove of palm trees and bushes near the center of the island.