Prowler’s Helm

Wondrous item, uncommon (requires attunement)

Price: 600-1,500 gp | low sentimentality

An ethereal green glow fills the inside of this warrior’s helm. While you wear it, you gain a +1 bonus to Dexterity skill checks.

Paid

While you wear the helm, you have advantage on Dexterity (Stealth) checks made to hide.

Overpaid

Once a day, while you wear the helm, you can use an action to cast the pass without trace spell.

Source: The Gray Merchant of Asphodel