Chain Mail of Safeguarding

Set in the center of this armor's chest is a citrine engraved with the shield rune.

While wearing this armor, your hit point maximum increases by an amount equal to 10 + your level.

Invoking the Rune: As an action, you can invoke the armor's rune to cast the beacon of hope spell with it; the spell has a duration of 1 minute and doesn't require concentration. Once the rune has been invoked, it can't be invoked again until the next dawn.