Lunar Curtain

The Lunar Curtain (月のカーテン), also known as Moon Curtain, is recurring item in the series. It generally casts positive status effects upon the player party.

Final Fantasy
The Lunar Curtain only appears in the GBA/PSP/iOS remakes. It is dropped by several powerful enemies and can be bought in the Red Mage village of the Whisperwind Cove. It casts NulDeath upon the whole party when used.

Final Fantasy II
The Conch Shell acts as the Lunar Curtain, casting Shell on a party member.

Final Fantasy IV
The Lunar Curtain appears in the Finest Fantasy for Advance remake and casts Reflect upon the whole party. Its effects last longer than that of the Light Curtain. In the PSP release, it also grants the Barrier status, which gives immunity to physical attacks.

Final Fantasy IV: The After Years
The Lunar Curtain casts Reflect and Protect. It is found in Lunarians' Tale chapter Challenge Dungeon 2 and The Crystals chapter SubterraneB12 and Depths B6. It is dropped by Black Flan, Eukaryote, Lunar Virus, Micaliote, Nescaliote, Prokaryote, Proto Deathmask and Silver Dragon.

Final Fantasy VIII
Known as the Moon Curtain in this game.