Patra

Patra (パタラ, Patara) is a mini-boss of sorts, although not typically considered in that status. It appears in the first Zelda game, The Legend of Zelda, but only in Level 9 (Death Mountain - Skull Labyrinth). Composed of a single flying eye surrounded by several smaller flying eyes, this foe can easily impede Link's progress. Patra comes in two varieties, denoted by the pattern in which the outer ring of eyes behaves. While both types spin their smaller Patra around the center eye, one variety has the outer circle expand and contract, while the other variety's smaller Patra rotate like a gyroscope. Both are equally menacing and in many cases Link is required to defeat Patra before moving on. Before Link can kill the main eye, he has to attack the smaller Patra first. Then he can kill the main Patra. A similar enemy appears in Oracle of Ages under the name Eyesoar, as well as a common enemy on the sea that flies from the air in the eastern sea in Phantom Hourglass.