Source: Player's Handbook

Prerequisite: Dexterity 13 or higher

You are an expert at slinking through shadows. You gain the following benefits:

• You can try to hide when you are lightly obscured from the creature from which you are hiding.

• When you are hidden from a creature and miss it with a ranged weapon attack, making the attack doesn't reveal your position.

• Dim light doesn't impose disadvantage on your Wisdom (Perception) checks relying on sight.