Hi-Ether

Hi-Ether (ハイエーテル) is an item panel in Kingdom Hearts 358/2 Days and an Item Command that appears in Kingdom Hearts Re:coded. In Kingdom Hearts 358/2 Days, it recovers 2 casts of each of your magic you've installed while in Kingdom Hearts Re:coded, it raises Data-Sora's clock level by 2.

Kingdom Hearts 358/2 Days
The Hi-Ether can be synthesized for 1200 munny once Roxas is promoted to Novice rank.
 * 2 Ether

Other Appearances
Hi-Ethers were planned to appear in Kingdom Hearts II, and had a sprite developed, but were ultimately left out of the finished game.