Dart Throwing Phenom

General Feat (Prerequisite: Level 4+, Dexterity 13+)

You gain the following benefits.

Ability Score Increase. Increase your Dexterity score by 1, to a maximum of 20.

Quick Throw. You can throw darts as if they were ammunition. 

Extended Range. Your range for throwing darts is increased to 30/90 feet. 

Bullseye. By using your bonus and movement actions, you can give yourself advantage on your first throw  and your darts also gain the sap weapon master property.