Twilight

Twilight is a material type available in Kingdom Hearts II and Kingdom Hearts III. Twilight materials contain the essence of twilight, and are colored white.

In Kingdom Hearts II, once all Twilight materials are obtained, the Moogle will reward Sora with a Serenity Crystal.

Design
Twilight materials are represented by white jewels and have an Elemental material structure.

The material's name simply refers to the "essence of twilight" it contains.

Kingdom Hearts II

 * Twilight Shard: Dusk (10%), Gambler (12%)
 * Twilight Stone: Dancer (12%)
 * Twilight Gem: Assassin (12%)
 * Twilight Crystal: Sorcerer (12%)

Kingdom Hearts III

 * Twilight Shard: Dusk (12%), Olympus, Twilight Town, Kingdom of Corona
 * Twilight Stone: Dusk (6%), Gambler (18%), Kingdom of Corona, Arendelle, The Caribbean
 * Twilight Gem: Gambler (12%), Arendelle, The Caribbean
 * Twilight Crystal: Gambler (6%), Sorcerer (80%), The Caribbean

Kingdom Hearts II
Twilight materials are used to synthesize the following items:
 * (1 Twilight Shard, 1 Twilight Stone)
 * (1 Twilight Shard, 1 Twilight Stone)
 * (9 Twilight Shards, 7 Twilight Stones, 5 Twilight Gems, 3 Twilight Crystals)
 * (9 Twilight Shards, 7 Twilight Stones, 5 Twilight Gems, 3 Twilight Crystals)
 * (1 Twilight Crystal)
 * (3 Twilight Shard, 1 Twilight Stone)
 * (3 Twilight Shard, 1 Twilight Stone)
 * (3 Twilight Gem, 1 Twilight Crystal)
 * (3 Twilight Gem, 1 Twilight Crystal)

Kingdom Hearts III
Twilight materials are used to synthesize the following items:
 * (2 Twilight Crystals)
 * (3 Twilight Shards)
 * (2 Twilight Gems)
 * (2 Twilight Gems)
 * (2 Twilight Gems)
 * (2 Twilight Gems)
 * (1 Twilight Stone)
 * (1 Twilight Shard)
 * (1 Twilight Stone)
 * (1 Twilight Gem)
 * (1 Twilight Crystal)

Twilight materials are used to forge the following Keychains:
 * LV4, 5, 7, 8, 10 (3 Twilight Stones, 3 Twilight Gems, 1 Twilight Crystal total)
 * LV4, 5, 7, 8, 10 (3 Twilight Stones, 3 Twilight Gems, 1 Twilight Crystal total)

Notes and references
Nébuleux Zwielicht (Material)