Item synthesis is the process of creating items, armor, weapons, and accessories using various synthesis materials found throughout various worlds. The occational third item right of the enemies is a best location for getting this type of items.

Synthesis Items

Kingdom Hearts

Shards

Gems

Crystal

  • 1: White Mushrooms also drop these, the Shards & Gems as a reward for casting a special three times; Gems are 10%, and Shards are 100%. Though if you cast the same spell three times, you get a arts item, and the chance for getting a Mystery Goo or Gem, increases to 40%, and 20%.

Kingdom Hearts II

Twilight Materials

Dark Materials

Blazing Materials

  • Blazing Shard --> Hammer Frame, Minute Bomb
  • Blazing Stone --> Tornado Step, Cannon Gun
  • Blazing Gem --> Fat Bandit, Fiery Globe
  • Blazing Crystal --> Crimson Jazz, Crescendo

Frost Materials

  • Frost Shard --> Lance Soldier, Hook Bat
  • Frost Stone --> Hot Rod, Aeroplane
  • Frost Gem --> Fortune Teller, Icy Cube
  • Frost Crystal --> Living Bone

Lightning Materials

  • Lightning Shard --> Bolt Tower, Rapid Thruster : First battle with Scar.
  • Lightning Stone --> Emerald Blues, Driller Mole
  • Lightning Gem --> Armored Knight, Surveillance Robot
  • Lightning Crystal --> Strafer, Devastator

Lucid Materials

Power Materials

  • Power Shard --> Large Body, Creeper Plant
  • Power Stone --> Luna Bandit, Silver Rock
  • Power Gem --> Shaman, Aerial Knocker
  • Power Crystal --> Morning Star

Dense Materials

  • Dense Shard --> Dragoon, Creeper
  • Dense Stone --> Sniper
  • Dense Gem --> Samurai
  • Dense Crystal --> Berserker

Mythril Materials (Found on Chests and can also be synthesized)

  • Mythril Shard
  • Mythril Stone
  • Mythril Gem
  • Mythril Crystal

Bright Materials

  • Bright Shard --> Bulky Vendor, Creeper Plant, Soldier, Hook Bat, Minute Bomb, Rabid Dog
  • Bright Stone --> Bulky Vendor, Aeroplane, Driller Mole, Luna Bandit, Tornado Step, Wight Knight, Cannon Ball, Silver Rock
  • Bright Gem --> Bulky Vendor, Aerial Knocker, Magnum Loader, Surveillance Robot
  • Bright Crystal --> Bulky Vendor, Air Pirate, NeoShadow, Strafer, Crescendo

Energy Materials

  • Energy Shard --> Bolt Tower, Gargoyle Knight/Warrior, Nightwalker
  • Energy Stone --> Hammer Frame, Lance Soldier, Trick Ghost
  • Energy Gem --> Emerald Blues, Fortuneteller
  • Energy Crystal --> Bookmaster, Shaman

Serenity Materials

  • Serenity Shard --> Assault Rider, Fat Bandit, Graveyard, Hot Rod, Large Body, Toy Soldier, Creeper
  • Serenity Stone --> Crimson Jazz, Devastator, Living Bone, Morning Star, Dusk
  • Serenity Gem --> Dancer, Dragoon, Gambler, Sniper
  • Serenity Crystal --> Assassin, Berserker, Samurai, Sorcerer

Orichalcum (Found in Chest and after Important events of the game, Bulky Vendor also drops them)

  • Orichalcum --> Bulky Vendor
  • Orichalcum+
The Orichalcum+ can only be found under these circumstances:
  1. Space Paranoids - Central Computer Mesa (chest)
  2. Twilight Town - Sunset Terrace (as Sora) (chest)
  3. The World That Never Was - The Brink of Despair (chest)
  4. 100 Acre Wood - Finish Starry Hill
  5. Atlantica - Finish "A New Day is Dawning"
  6. Olympus Coliseum - Beat Goddess of Fate Cup
  7. Any Moogle Shop - Get at least one of every other synthesis materials