Lucid

Lucid (透きとおる) is a material type available in Kingdom Hearts and Kingdom Hearts II. Lucid materials contain the essence of emptiness, and are colored clear.

Kingdom Hearts

 * Lucid Shard: Shadow (6%), White Mushroom (100%), Bambi (40%/60%)
 * Lucid Gem: Gargoyle (4%), Wight Knight (4%), White Mushroom (10%/40%), Bambi (30%/40%/60%)
 * Lucid Crystal: Darkball (1%), Bambi (30%)

In Kingdom Hearts Final Mix, Lucid Shards are also dropped by the Gigant Shadow.

Kingdom Hearts II

 * Lucid Shard : Rabid Dog (6%), Trick Ghost (10%)
 * Lucid Stone : Graveyard (12%), Toy Soldier (12%), Wight Knight (8%)
 * Lucid Gem : Bookmaster (10%), Magnum Loader (8%)
 * Lucid Crystal: Neoshadow (8%)

Kingdom Hearts
Lucid materials are used to synthesize the following items:
 * Dark Ring (2 Lucid Shard)
 * Golem Chain (1 Lucid Gem)
 * Master Earring (3 Lucid Shard, 2 Lucid Gem)
 * Defense Up (5 Lucid Shard, 3 Lucid Gem, 1 Lucid Crystal)
 * Crystal Crown (3 Lucid Crystal)
 * Ultima Weapon (5 Lucid Gem)

Kingdom Hearts Final Mix
Lucid materials are used to synthesize the following items:
 * Cottage (1 Lucid Shard)
 * Power Chain (1 Lucid Shard)
 * Dark Ring (2 Lucid Gem)
 * Gaia Bangle (5 Lucid Shard, 3 Lucid Gem)
 * Defense Up (3 Lucid Shard)
 * Heartguard (3 Lucid Gem, 1 Lucid Crystal)
 * Crystal Crown (5 Lucid Crystal)
 * Dark Matter (9 Lucid Shard)
 * Megalixir (5 Lucid Gem, 3 Lucid Crystal)

Kingdom Hearts II
Lucid materials are used to synthesize the following items:
 * Mega-Potion (1 Lucid Shard)
 * Mega-Ether (1 Lucid Shard)
 * Defense Boost (3 Lucid Crystal)
 * Power Boost (3 Lucid Crystal)
 * Midnight Anklet (1 Lucid Stone, 1 Lucid Shard)
 * Chaos Anklet (1 Lucid Stone, 1 Lucid Shard)
 * Power Band (1 Lucid Stone)
 * Buster Band (1 Lucid Stone)
 * Soldier Earring (1 Lucid Gem)
 * Fencer Earring (1 Lucid Gem)

Notes and References
Hyalin