Help from far

You have mastered techniques to help your friends when they are attacked:

• When a creature that you see, and it's in your ranged weapon normal range makes an attack against a target other than you (and that target doesn't use Disengage), you can use your reaction to make a ranged weapon attack against the attacking creature. This attack hit before enemy.
• On hit enemy attack gain disadvantages
• You can use this reaction equal to your proficiency bonus, before need to take Short Rest