The Caldera is a hand-bomb in Final Fantasy XII. In the original version its license costs 30 LP. In the Zodiac versions its license costs 75 LP and it can be used by the Foebreaker, Machinist and Black Mage. Machinist needs to unlock Shemhazai and Black Mage needs to unlock Mateus to reach it on the board.
caldera is a cauldron-like volcanic feature usually formed by the collapse of land following a volcanic eruption. They are sometimes confused with volcanic craters. The word comes from Spanish caldera, and this from Latin caldaria, meaning "cooking pot".A