Versatile Whip Wielder

You are now profficient in the use of the whip and have mastered it's use in many different ways.  With extensive training you have gain the following abilities in the use of a whip

1.  Whip dualist:  +2 to damage while wielding whip in one hand and no other weapons
2. Animal Tamer: You may attempt to use your attack to frighten animals. Your whip strikes the air above a hostile animal and makes a loud “cracking noise” heard 100’ away. Animals hostile to the weirder make DC wisdom check or are freighter of the wielder for 1 min
3. Opportunistic Tripper.  When a creature leaves your reach and provokes an Opportunity attack. You may use your reaction to attempt to trip an enemy. Your DEX (acrobatics) vs opponents DEX (acrobatics). IF success, opponent falls prone and moment zero until start of his next turn.
4. Whip Escape: You may use your attack to attempt to grab an inanimate object such as a tree branch, statue or ceiling beam etc. DC 13 Dex (Acrobatics) to grab, DC13 strength (Athletics) to swing or climb
5. Back-Off:  Other creatures provoke an opportunity attack from you when they enter your reach. (Reaction)