Halo of Flies#10

Halo of Flies is a passive item.

• This item is used in Solar System (challenge #6).
• This item is a reference[1] to Halo of Flies, by Alice Cooper.
• Halo of Flies was the first orbital item that Edmund McMillen ever implemented into The Binding of Isaac.
• Halo of Flies shares its name with a level from Edmund's previous game Super Meat Boy.