You have mastered the ways of the whip and the intricacies of such an exotic weapon. You gain the following benefits:

• You gain proficiency with all whips, adding your proficiency bonus to their attacks.
• When you hit with a melee attack using a whip, you deal an additional damage die.
• While you are wielding a whip, other creatures provoke an opportunity attack from you when they enter the range of your whip.
• You have advantage on ability checks and attacks made to disarm or grapple enemies when using a whip as a part of the check or attack.