Skill: Stealth
Those skilled in Stealth become good at avoiding detection physically, allowing them to slip past foes or conceal things about their person. Stealth is required for the Hide Action | ◈◈ and other actions and talents that require proficiency in Stealth assist you in staying hidden or using misleading others. Likewise, they also help you uncover those that utilize stealth, using your affinity to deny others the advantage.
Stealth only uses DEX / Dexterity by default. Stealth is a Primary Skill, meaning it is a major skill that can only be gained by mechanics that grant proficiency.