Mirror armor is a special kind of armor that makes you look like a mirror! Imagine a piece of metal that is very shiny and reflective, like a mirror you might have at home. Mirror armor is sort of like that, except it is specifically made to be used as armor to protect people in battles or fights.
The armor is created by taking very thin sheets of metal, often with a high amount of silver in them, and polishing them to a high shine so that they reflect everything around them. These sheets of metal are then carefully fitted together on a person's body to cover the important parts and create a sort of shield around them.
When someone is wearing mirror armor, it's like they have a disguise on. They look like a shiny, reflective surface, which can help them to blend in with their surroundings and make it difficult for their enemies to see them clearly. It can also be very intimidating to an enemy, since they might think they're fighting someone with special powers or abilities.
Overall, mirror armor is a cool and unique type of protective gear that looks like it came straight out of a fairy tale!