Three Stars

The Three Stars is an accessory found in Kingdom Hearts, Kingdom Hearts Final Mix, and Kingdom Hearts 358/2 Days.

Kingdom Hearts
Three Stars can be synthesized once the third list is unlocked.
 * 3 Blaze Shard
 * 3 Frost Shard
 * 3 Thunder Shard
 * 1 Orichalcum
 * 1 Shiny Crystal

Kingdom Hearts Final Mix
Three Stars can be synthesized once the fourth list is unlocked.
 * 5 Power Gem
 * 3 Mystery Goo
 * 1 Shiny Crystal

Kingdom Hearts 358/2 Days
Three Stars can be synthesized for 10100 munny once Roxas is promoted to Legend rank.
 * 2 Mithril
 * 4 Adamantite
 * 4 Luck Tech