Extreme

Extreme is a ring synthesized in Kingdom Hearts 358/2 Days by using:


 * 1 Orichalcum
 * 20 Dark Ingot
 * 8 Moonstone
 * 1 Luck Tech

Unlocked for synthesis when the game has been completed. When equipped, the wearer has only 1 HP and cannot gain any more, but greatly increases gained EXP.