Versatile Whip Wielder

You have mastered the use of the whip 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 attact 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)