This trophy has proven to be a little finicky but not enough to be warranted as glitched. To earn this trophy you must perform various tricks while riding Agro.
Pet Agro = While standing near Agro's head or in her saddle, have your hands empty and press to pet her.
*You must pet Agro while seated in the saddle and standing next to her.
Quick Start = From a dead stop press +, Agro should rare up then take off into a gallop.
Quick Stop = From a gallop press +, Agro should drag her hind quarters across the ground to a quick stop.
Quick Turn = From a gallop press + twice, Agro should drag her hind quarters like the Quick Stop but then quickly turn around.
Stand and Ride = From a canter or gallop hold +, Wander should stand up completely.
Hang Left = From a canter or gallop hold + and press , Wander should hang down to the left side of the saddle.
Hang Right = From a canter or gallop hold + and press , Wander should hang down to the right side of the saddle.
Agro Jump = Agro can jump off small cliffs or other terrain, find a spot and have her gallop towards it; if she can jump it she will.
Jump from Agro = Anytime you're mounted on Agro, press and Wander will jump off her.
You can have Agro keep her momentum by holding after getting her up to speed.