Armor (plate), legendary (requires attunement) · 2024 version below
While you're wearing this armor, you can speak its command word as an action to gain the effect of the etherealness spell, which last for 10 minutes or until you remove the armor or use an action to speak the command word again. This property of the armor 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.
While you're wearing this armor, you can take a Magic action and use a command word to gain the effect of the Etherealness spell. The spell ends immediately if you remove the armor or take a Magic action to repeat the command word. This property of the armor can't be used again until the next dawn.
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