Elite Trooper (Final Fantasy IV)

The Palace Guard is an enemy encountered in the Lunar Ruins in the Advance version of Final Fantasy IV.

During Edge's Lunar Trial, the Palace Guard will always drop a key, which must be used to open the locked doors. A key must be used (and discarded) each time a door is opened, and each door must be opened every time the party goes though it, even if it was previously unlocked already.