Spinning fire ball chains

 are enemies in Enemy 585. They are basically a chain of 7 to 9 burning fire balls that rotate clockwise. They kill Enemy 585 on contact, and pass through Turner. They only appear in Castle Levels of worlds in Enemy 585.

Trivia

 * If the touches Enemy 585's helmet, it will not kill him.
 * are based on Firebars from the Mario series of Video Games.