You have trained extensively and mastered the art of the whip.

• You gain proficiency with Whips
• You may add a d4 to the damage caused by a whip.
• As a reaction, you may make an attack of opportunity when an enemy enters the whip's range.
• When you hit with an attack with a whip, you may forego the damage to make one of the following special attacks:

Trip: The target must make a Dexterity save or be knocked prone.  A creature that is large makes the save with advantage.  Creatures larger than large it cannot be tripped with this attack.

Disarm: The target must make a Strength save or drop an item it is holding.  If the item is being held with two hands, the target has advantage on the save.

The save DC for these attacks is (8 + your proficiency bonus + your DEX bonus)