Armor (plate), legendary (requires attunement) · 2024 version below
You have resistance to nonmagical damage while you wear this armor. Additionally, you can use an action to make yourself immune to nonmagical damage for 10 minutes or until you are no longer wearing the armor. Once this special action is used, it can't be used again until the next dawn.
The 2024 Dungeon Master’s Guide revised the magic items, and the SRD 5.2 carries the new text. What changed:
Same rarity and attunement; the text is reworded for the 2024 rules glossary.
You have Resistance to Bludgeoning, Piercing, and Slashing damage while you wear this armor.
Metal Shell. You can take a Magic action to give yourself Immunity to Bludgeoning, Piercing, and Slashing damage for 10 minutes or until you are no longer wearing the armor. Once this property is used, it can't be used again until the next dawn.
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