You can spend 1 hour to move into another armor within 10 feet of you, but the armor you "wore" previously is consumed by the magic that allows you to change armors.

You are an animated suit of armor with no one inside.
You are immune to disease and poison.
You don’t need to eat, drink, or breathe and you are immune to exhaustion.
You don't need to sleep, and magic can't put you to sleep.
You are proficient in wearing all armor types.

When you take a long rest, you must spend at least six hours in an inactive, motionless state. In this state, you appear like a normal suit of armor laying on the ground.

Your body, or rather where your body should be, is especially well protected by your armor through your innate expertise at fighting in armor.
You gain a +1 bonus to Armor Class.

You are a creature of pure magic.
You are proficient in arcana and can tell if an item or creature is magical by touch.

Each time you enter an anti-magic field or end your turn in it, you must succeed a (DC 15 + the consecutive times you have ended your turn inside the anti-magic field) constitution saving throw or become unconscious until you are either removed from the anti-magic field or the spell ends.

If dispell magic is cast on you, you must succeed a Constitution saving throw against the caster's spell save DC or become unconscious for one minute. You can repeat the saving throw at the end of each of your turns.

You can speak, read, and write Common and the language your creator bestowed upon you.