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A Secret Gem.

Secret Gem (秘められし原石 Himerareshi Genseki?, lit. "Secret Ore") is a material available in Kingdom Hearts Birth by Sleep and Kingdom Hearts Birth by Sleep Final Mix. It can be used during Command Meld to attach a random ability to the synthesized command, and immediately raise it to its maximum level.


Secret Gem is represented by four jewels with a unique structure. The main jewel is the largest, is tube-shaped, and has facet cuts. Two medium-sized jewels are hook-shaped and revolve around the main jewel. The smallest jewel floats between the two hook-shaped ones. All four jewels are golden yellow with green tints at the edges, and the largest one has a swirling, purple and yellow, smoky design in its center.

An ore is a type of rock that contains important minerals, such as metals. "Secret" may reference the fact that the material can only be obtained through rare drops from the Flood, defeating Vanitas Remnant, or excelling in certain mini-games.


Kingdom Hearts Birth by Sleep


Kingdom Hearts Birth by Sleep

  • Secret Gem: Collect 100 points in Terra's Sticker Album; collect 100 points in Aqua's Sticker Album.

Kingdom Hearts Birth by Sleep Final Mix


Kingdom Hearts Birth by Sleep

  • Secret Gem: Purchase from Medal Shop for 1500 medals.

Synthesized items

Kingdom Hearts Birth by Sleep

Secret Gem materials are used to add the following abilities:

Notes and references

  1. The Flood drops a Secret Gem 1% of the time if the hero has a shop level of 7 or 8.
  2. Vanitas Remnant drops the Secret Gem in the Japanese version only.
Synthesis Materials
Kingdom Hearts
Blaze | Frost | Thunder | Shiny Crystal | Lucid | Power | Spirit | Gale | Mythril | Bright | Power Crystal | Mystery Goo | Orichalcum
Kingdom Hearts Final Mix
Dark Matter
Kingdom Hearts II
Recipe | Blazing | Frost | Lightning | Lucid | Power | Dark | Dense | Twilight | Mythril | Bright | Energy | Serenity | Orichalcum
Kingdom Hearts II Final Mix
Remembrance | Tranquil
Kingdom Hearts 358/2 Days
Recipe | Blazing | Frost | Lightning | Gust | Shining | Gear Component | Combo Tech | Shield Tech | Rune Tech | Power Tech | Aerial Tech | Range Tech
Ankharite | Luck Tech | Iron | Bronze | Dark Ingot | Silver | Gold | Mithril | Orichalcum | Moonstone | Diamond | Adamantite | Premium Orb
Kingdom Hearts Birth by Sleep
Recipe | Shimmering Crystal | Fleeting Crystal | Pulsing Crystal | Wellspring Crystal | Soothing Crystal | Hungry Crystal | Abounding Crystal | Chaos Crystal | Secret Gem
Kingdom Hearts 3D: Dream Drop Distance
Brilliant | Charming | Dulcet | Epic | Fleeting | Grim | Intrepid | Lofty | Malleable | Noble | Prickly | Rampant | Savage | Troubling | Vibrant | Wild | Wondrous