Corona

Corona is an attack most often used by boss enemies in Super Mario RPG: Legend of the Seven Stars. When used, Corona will summon a large, yellow orb which will attack all members of Mario's party, doing semi-major damage.

Trivia

 * Corona means "Crown" is Spanish.
 * Corona is a type of plasma "atmosphere" of the Sun or other celestial body. This could be where it gets it's name from.