Battle Armor He-Man action figure from vintage Masters of the Universe original series toy line. The chest armor plates have has three visual indicators that include:

• Undamaged
• One slash
• Two slashes

The Battle Armor was invented by Man-At-Arms to give He-Man additional protection in combat. It prevented fatal blows and, if damaged, repaired itself. Initially, only silver could penetrate it, but this defect was resolved when Man-At-Arms infused the armor with a rare crystal from the Mystic Mountains.