Watchful Helm

Common

Wondrous item, very rare (requires attunement) While you wear this helm, you gain a +1 bonus to AC and remain aware of your surroundings even while you're asleep, and you have advantage on Wisdom (Perception) checks that rely on sight. As a bonus action, you can cast the see invisibility spell from the helm. Once this property of the helm is used, it can't be used again until the next dawn. This is a shiny steel helm embossed with lidless eyes.